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Sonic the Hedgehog CD (Video Game)

 Sonic the Hedgehog CD (Video Game)
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TVTItem
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game)
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SonicTheHedgehogCD
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (also known as Sonic CD) is a Sonic the Hedgehog game released for the Sega CD in 1993 as a direct sequel to the original 1991 game. While it was released after Sonic the Hedgehog 2, the games were developed in tandem, and as a result, have some notable differences between them; the Compilation Rerelease Sonic Origins would later definitively confirm that CD takes place before Sonic 2, helping explain at least a few of the discrepancies. This game introduced two Breakout Characters: Sonic's pink fangirl Amy Rose, and his definitive Evil Knockoff Metal Sonic. The animated opening and ending sequences were done by Studio Junio and Toei Animation.For one month out of the entire year, Little Planet — a tiny planet with an unusual orbit — appears over Never Lake. Little Planet is the home of seven miraculous Time Stones that have been reported to cause wonders, such as preserving the natural world from the passage of time.To witness this phenomenon, Sonic journeys to Never Lake, but is shocked to find Little Planet encased in a metallic shell and chained to a mountain — one carved with the distinct face of Dr. Eggman (also known as Dr. Ivo Robotnik). The scientist seeks to halt Little Planet's orbit and use the Time Stones to rule over time itself.Meanwhile, Amy Rose — who predicted that Sonic would be arriving at Never Lake by reading Tarot cards — tags along and gets kidnapped by Sonic's robotic doppelgänger, Metal Sonic. It's up to Sonic to save Amy, the future of Little Planet, and the entire timeline.The gimmick of the game is time travel, by which you can save Little Planet's future: each Round on Little Planet has three Zones, the first two of which have strategically-placed "Past" and "Future" signs. If you hit one of those signs, you'll have a brief window of time to gain enough speed to hurtle Sonic into either the past or the future. By default, the future is always bad: a neglected, decaying ruin left behind after Eggman has conquered and exploited the Zone. You'll want to avoid those if possible — it's possible to hit a Future sign and get sent there by accident!However, by destroying Eggman's robot teleporters in the past, the future automatically becomes good: all advances in technology will be working to the environment's benefit, and the robots in all three time periods are destroyed (mostly; some will remain in the present). You can also optionally destroy Metal Sonic holograms to bring back the local fauna in each Zone.Alternatively, you can go to the Special Stages to collect Time Stones; grabbing them all automatically gives every Zone a good future. There is no further need to travel in time, as this will also destroy all of the transporters in the game. The third Zone of each Round is a boss stage, and takes place in the future you created. The bosses are quite different from those in the first two games: the difficulty comes not from fighting the boss, but figuring out how to harm it.Sonic has two new moves: the Spin Dash — a move carried over from Sonic 2 that lets Sonic use his trademark Rolling Attack without running first — and the "Super Peel Out", a technique which sends him blasting off at even higher speeds, but leaves him vulnerable while revving up. The Spin Dash operates very differently than in subsequent games, again because it was developed in parallel with Sonic 2; it has to be "revved up" for a second before you can go.A notable aspect of Sonic CD is its soundtracks. The Japanese and European soundtrack, composed by Naofumi Hataya and Masafumi Ogata, takes inspiration from the contemporary House Music and New Jack Swing genres, and makes heavy usage of sampling as a result. This game also featured the Sonic series' first vocal songs, those being "Sonic ~ You Can Do Anything" and "Cosmic Eternity ~ Believe in Yourself" performed by Keiko Utoku and Casey Rankin.Due to Sega of America believing that the game needed a "more musically rich and complex" soundtrack, the North American version of the game had an entirely different soundtrack from the Japanese and European versions, composed by the Sega Technical Institute's in-house musicians. Led by Ecco the Dolphin composer Spencer Nilsen, the American soundtrack is more atmospheric and moody than its overseas counterpart, and includes a new vocal theme, "Sonic Boom", performed by Pastiche.Sonic CD was released in Japan with the original soundtrack on September 23, 1993, then in Europe on October 7, 1993. North America later got the game with the redone soundtrack on November 19, 1993.Sonic CD was the best-selling title for the Sega CD globally. It sold 1.5 million copies worldwide, powered by 1 million copies sold in the United States alone. For comparison, the Sega CD itself only sold 2.24 million units worldwide.The original version of the game was ported to the PC in 1996, and was later included in the Sonic Gems Collection compilation in 2005 for the PlayStation 2 and Nintendo GameCube. It was excluded from Sonic compilations for several years due to Sega losing the documentation for the Sega CD — the Gems Collection port is based on the PC version.To address this issue, the game was remade from scratch in 2011, using the Retro Engine developed by Promoted Fanboy Christian "The Taxman" Whitehead. It was released on Xbox 360 through Xbox Live, PlayStation 3 through the PlayStation Network, PC through Steam, Android and iOS devices, and Windows Phone. Phew!The phone version was announced with the others but not released until November 2012 alongside Windows Phone 8.The new engine allowed CD to be given true widescreen support, and all aspects of the game run at 60 FPS, including the Special Stages. Both soundtracks are available to be swapped between, with this being the first time the Japanese and European soundtrack was officially available in America (other than its inclusion in Sonic the Screensaver, a late-'90s PC app). Further new content was also added, such as achievements and Tails as a playable character.In May 2021, Sega announced that Sonic CD and the other mainline Genesis Sonic games would be compiled together in Sonic Origins, which was released on June 23, 2022. This version, along with all of the other games in the compilation, runs on the Retro Engine. An update to Origins, Sonic Origins Plus, was announced in March 2023. It was released on June 23, 2023 as both a physical release and as an expansion pack for current Origins owners. This update adds Knuckles and Amy as playable characters. The original Sega CD version of the game is also one of 50 games included in the Mega Drive Mini 2 microconsole, released in October 2022.
 Sonic the Hedgehog CD (Video Game)
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Creator Cameo
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Creator Cameo: Composer Naofumi Hataya has a small cameo in the JP soundtrack. He's the guy screaming in the background of Quartz Quadrant's Bad Future music.note The soundtrack on iTunes mentions this.
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Gaia's Lament
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Sonic CD is pretty dark in comparison to most of the other Genesis Sonic titles due to the presence of the Bad Futures. Unlike the previous games, where the difference between the "bad" and "good" endings is pretty minimal, here Sonic's work will get retconned by Eggman if he fails to get all the Time Stones.
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Instant-Win Condition
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Instant-Win Condition: Normally, to get the good ending in Sonic CD, you have to go to the Past to find and destroy the Robot Generator in the first two Zones of every single Round. Missing even a single generator hardlocks you into the Bad Ending. However, should you get all seven Time Stones before the end, you automatically get the good ending even if you missed every single generator beforehand. Even better, any and all remaining levels you go through before the end will automatically show a Good Future whenever you go there. And if you're skilled, the earliest you can achieve this is the end of Quartz Quadrant Zone 1; which is roughly halfway through the game.
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Heroic Mime
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Heroic Mime: Subverted. Sonic will let out a "Yes!" when getting an extra life, as well as saying "I'm outta here." when being idle for too long. Played straight in the Origins version, which removed all the voice clips.
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Darker and Edgier
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Darker and Edgier: Sonic CD is pretty dark in comparison to most of the other Genesis Sonic titles due to the presence of the Bad Futures. Unlike the previous games, where the difference between the "bad" and "good" endings is pretty minimal, here Sonic's work will get retconned by Eggman if he fails to get all the Time Stones. The game over and boss themes of the North American soundtrack are much more dissonant and ominous compared to the Japanese version.
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All There in the Manual
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All There in the Manual: With the exception of Metal Sonic and Palmtree Panic's boss, EGG-HVC-001, the bosses originally lacked namesnote one piece of concept art shown in Sonic Generations, however, includes an early design of the final boss with the label "Psyco-Egg". Sonic the Hedgehog Encyclo-speedia rectified this in 2021.
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You Are Already Dead
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You Are Already Dead: During the Metal Sonic race, if you get hit by the spikes (which Metal Sonic can just plow through) and knocked back, or, worse, try to climb up a slope but fail and roll backwards, you can usually kiss your ass goodbye as Eggman is trailing right behind you with an instant death laser. Also, as soon as one of the racers crosses the "finish line", a gate slams shut and leaves the loser trapped outside to die from the laser, meaning if Metal Sonic beats you by even a foot, you're screwed.
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Underwater Ruins
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Underwater Ruins: Tidal Tempest, though oddly not in the past as it's just a partially-submerged cave.
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Eternal Engine
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Metallic Madness is almost entirely Eternal Engine, but with a few Green Hill Zone elements such as green grass in the Good Future. Even in the Good Future, it's still The Very Definitely Final Dungeon.
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Tube Travel
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Tube Travel: A lot of it in Metallic Madness Zone 2. Tidal Tempest Zone 1 and Wacky Workbench also have a little of it.
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Violation of Common Sense
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Violation of Common Sense: The fake Smashing Hallway Traps of Doom of Wacky Workbench. Standing on one will take you somewhere. One is required to go to the robot transporter in Zone 1. During the Metal Sonic race, it's sometimes a good idea to intentionally let him get ahead of you briefly, as when he does his "charge" move, he is both a lot faster than normal and damages you if you touch him. After a couple seconds of this, he will have to "catch his breath" (metaphorically speaking) and will both slow down a lot and become safe for Sonic to just run through him and get ahead.
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The Cameo
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The Cameo: Tails shows up with the Tornado in the D.A. Garden and with a buggy in a secret illustration captioned with "See you next game!" The buggy itself is a cameo of a Caterham 7, his preferred Cool Car model first seen in a December 1992 CoroCoro Comic manga. For the 2011 remake, he is Promoted to Playable.
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The Glomp
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The Glomp: Amy will try to do this to Sonic twice: once in Palmtree Panic, and again in Stardust Speedway after he frees her.
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The Spiny
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The Spiny: The Kemusi Badnik is an expy of Caterkiller from the original Sonic the Hedgehog, and Noro-Noro, from the same Round, will also occasionally show spikes on its back.
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Palmtree Panic
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Palmtree Panic: The Trope Namer is the first level of the game, and the local Green Hill Zone.
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Breaking the Fourth Wall
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Breaking the Fourth Wall: As usual, Sonic gets impatient if he's idle. Stand still for three minutes without pausing, and then he'll say "I'm outer here" [sic] and proceed to jump off the screen, netting you a Game Over regardless of how many lives you have left. The exception is in Palmtree Panic Zone 1, where he won't do this if Amy is hugging him down, though he still shoots an angry glare in his idle animation. In the 2011 remake, Tails yawns at you as usual. However, he won't force the game to end after three minutes of idling.
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Stealth Pun
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Stealth Pun: The reason levels in this game are called Zones instead of Acts? That's because this game is about time travel; they're time zones.note That is, "Palmtree Panic Time Zone 1", for example.
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The Juggernaut
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The Juggernaut: Metal Sonic is completely invincible to Sonic's attacks thanks to an electrified force field he has, and his boost function allows him to effortlessly smash through obstacles Sonic has to work his way around. Sonic is only able to defeat him by using a combo of the closing goal gate of the race course they're on, with Eggman's instant kill laser finishing the job.
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Scripted Event
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Scripted Event: A rare story instance of this in a classic Sonic game. When you first arrive at Collision Chaos, you find Amy chasing you around and that the tunnel to the rest of the level is blocked off by some spikes (there's a ledge nearby, but that gets you nowhere either). Cue Metal Sonic arriving, smashing through the spikes, kidnapping Amy and flying off. Even if you use debug mode to skip this part, it's impossible to save Amy—Metal Sonic is completely immune to your attacks and will always grab her, fly off and vanish right away.
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Crapsack World
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Crapsack World: All of the Bad Futures are this, due to being highly polluted dystopias where everything is in a state of severe disrepair. The worst are probably Palmtree Panic (all the trees are dead and the grass is a weird purple color) and Tidal Tempest (where the water has been replaced with some kind of toxic pinkish fluid).
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Ironic Echo
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Ironic Echo: Doubling as a Dark Reprise: the Japanese music for Metallic Madness Bad Future features a robotic voice (presumably Eggman himself) mocking the player with an ironic inversion of the intro music's lyrics.
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Mythology Gag
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Mythology Gag: The screen that displays when unlocking Tails in the 2011 remake reads "SEE YOU NEXT GAME," a reference to Tails' cameo in the original game (which is still accessible here). The Time Attack menu theme in the 2011 remake, with the Japanese/European soundtrack selected, is an instrumental version of "Brand-new World", a track from the Sonic the Hedgehog - Remix album released in 1994.
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Bonus Stage Collectables
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Bonus Stage Collectables: The Time Stones are only collectible through the Special Stages.
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A Winner Is You
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A Winner Is You: Finish the game with the good ending, or watch the good ending through Visual Mode. A screen will show up telling you that "YOU ARE GREATEST PLAYER", and Sonic, Amy and Metal Sonic will run across the screen from time to time. This screen was removed in re-releases. The Tails ending in the remake is some explosions and then a credits roll. You do not even get a congratulations. At the very least, the credits for Tails are of the staff who worked on the remake, but it's still kind of disappointing.
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Non-Indicative Name
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Non-Indicative Name: If the name of a Round refers to a background element rather than a gameplay mechanic, chances are it's completely absent in its Bad Future. Palmtree Panic's Bad Future has all of its palm trees replaced with machines, Quartz Quadrant's Bad Future has been mined bare of its quartz, and a thunderstorm hangs permanently over Stardust Speedway's Bad Future, blocking all of the stars.
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Easter Egg
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One of the Easter Egg posters is a parody of Batman (1989).
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 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_29a39f6
 Sonic the Hedgehog CD (Video Game) / int_29c50e28
type
Trial-and-Error Gameplay
 Sonic the Hedgehog CD (Video Game) / int_29c50e28
comment
A lot of the difficulty in the game comes from the fact that the more exploration-based level design, which has lots of cheap obstacle and enemy placement, simply isn't made with Sonic's speed or sensitive controls in mind (or barring that was deliberately made to work against his abilities) and thus making it very easy to accidentally slam directly into an enemy or obstacle if you try to maintain a consistent speed more often than not - Trial-and-Error Gameplay is in full effect here. Metallic Madness is particularly nasty in this regard, with some enemies that are placed in near-unavoidable spots or edgeguarding a path you need to traverse. Not to mention you only have a very limited amount of chances to time travel, and it's very easy to bungle it if you so much as hit a road bump, forcing a player to reset or quit if they're aiming for the good ending. On top of that, the teleporters in the past tend to be well hidden—the one in Wacky Workbench Zone 1 is especially aggravating, as it requires a logic-defying way of reaching it. The original version of the game even had a flat-out unwinnable situation in Past Metallic Madness if you used up all of the Future signs. This was fixed in the 2011 remake.
 Sonic the Hedgehog CD (Video Game) / int_29c50e28
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1.0
 Sonic the Hedgehog CD (Video Game) / int_29c50e28
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_29c50e28
 Sonic the Hedgehog CD (Video Game) / int_2b7d29e1
type
Artifact Title
 Sonic the Hedgehog CD (Video Game) / int_2b7d29e1
comment
Artifact Title: The 2011 remake is not distributed on a physical medium, let alone a CD. Likewise for the Nintendo Switch and Steam releases of the Sonic Origins version of the game.
 Sonic the Hedgehog CD (Video Game) / int_2b7d29e1
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1.0
 Sonic the Hedgehog CD (Video Game) / int_2b7d29e1
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_2b7d29e1
 Sonic the Hedgehog CD (Video Game) / int_2bdae2ae
type
Awesome, but Impractical
 Sonic the Hedgehog CD (Video Game) / int_2bdae2ae
comment
Awesome, but Impractical: The Super Peel-Out is incredibly fast but it leaves Sonic vulnerable to attacks, making it easy to run into an enemy you can't see coming from offscreen. This is made worse in the 2011 remake, which unlike the original, doesn't move the camera ahead when Sonic is running or charging the Super Peel-Out if the Spin Dash is set to "Genesis" mode. This can be averted by immediately rolling after releasing, thus acting like a much faster Spin Dash.
 Sonic the Hedgehog CD (Video Game) / int_2bdae2ae
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-1.0
 Sonic the Hedgehog CD (Video Game) / int_2bdae2ae
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_2bdae2ae
 Sonic the Hedgehog CD (Video Game) / int_2c1ce1fc
type
Sound Test
 Sonic the Hedgehog CD (Video Game) / int_2c1ce1fc
comment
The secret Sound Test in the original release contains a number of these. Entering the right combination of three (two in the PC / Gems Collection version) numbers will take you to several pieces of drawings, start a secret Special Stage, or unlock Debug Mode.
 Sonic the Hedgehog CD (Video Game) / int_2c1ce1fc
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1.0
 Sonic the Hedgehog CD (Video Game) / int_2c1ce1fc
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_2c1ce1fc
 Sonic the Hedgehog CD (Video Game) / int_2f36d97
type
Older Than They Look
 Sonic the Hedgehog CD (Video Game) / int_2f36d97
comment
Older Than They Look: Concept art◊ for this game puts Eggman as having been born in 1931. This would make him 62 by the time the game came out, although he doesn't really show it that much.
 Sonic the Hedgehog CD (Video Game) / int_2f36d97
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_2f36d97
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_2f36d97
 Sonic the Hedgehog CD (Video Game) / int_33310c11
type
Under the Sea
 Sonic the Hedgehog CD (Video Game) / int_33310c11
comment
Under the Sea: Tidal Tempest is an underwater area in the present and futures.
 Sonic the Hedgehog CD (Video Game) / int_33310c11
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_33310c11
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_33310c11
 Sonic the Hedgehog CD (Video Game) / int_33ca811a
type
Game-Breaking Bug
 Sonic the Hedgehog CD (Video Game) / int_33ca811a
comment
Game-Breaking Bug: It's entirely possible to get Sonic stuck within scenery by accident depending on where you were/are at once you time travel, which softlocks the game and forces the player to reset. Naoto Oshima was apparently aware of this issue and his development team at least tried to accommodate the level design to prevent this from happening as much as possible, so it usually takes some effort or sheer bad luck on the player's part to pull this off. invoked Move Sonic to behind the starting point (i.e. left of "0000") while using Debug Mode, and the game will crash. There's also a bug which stops the music from looping and the next level from loading should the player take too long. There's a point in the Past of Metallic Madness where you have to navigate some springs. The problem is that in the original versions of the game, you cannot reach the top platform. The only way around it is to try to get back to the present. If you can't, you are stuck. Extra platforms were added in the 2011 release to remedy this issue.
 Sonic the Hedgehog CD (Video Game) / int_33ca811a
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_33ca811a
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_33ca811a
 Sonic the Hedgehog CD (Video Game) / int_3601b886
type
Chicken Walker
 Sonic the Hedgehog CD (Video Game) / int_3601b886
comment
Chicken Walker: The first boss, EGG-HVC-001, has backward facing knees, with spiked feet and springs for fists that knock you backwards.
 Sonic the Hedgehog CD (Video Game) / int_3601b886
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_3601b886
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_3601b886
 Sonic the Hedgehog CD (Video Game) / int_3a997f9e
type
Solar Punk
 Sonic the Hedgehog CD (Video Game) / int_3a997f9e
comment
Solar Punk: Traveling back to the Past and destroying the robot transporters found in the first two Zones of each Round will prevent the Bad Future where the environment is corrupted into a Polluted Wasteland. This leads to a new timeline where widespread technology works in harmony with nature to create a lush and vibrant Good Future devoid of Badniks.
 Sonic the Hedgehog CD (Video Game) / int_3a997f9e
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_3a997f9e
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_3a997f9e
 Sonic the Hedgehog CD (Video Game) / int_3ac5110b
type
Unintentionally Unwinnable
 Sonic the Hedgehog CD (Video Game) / int_3ac5110b
comment
It's entirely possible to get Sonic stuck within scenery by accident depending on where you were/are at once you time travel, which softlocks the game and forces the player to reset. Naoto Oshima was apparently aware of this issue and his development team at least tried to accommodate the level design to prevent this from happening as much as possible, so it usually takes some effort or sheer bad luck on the player's part to pull this off. invoked
 Sonic the Hedgehog CD (Video Game) / int_3ac5110b
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_3ac5110b
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_3ac5110b
 Sonic the Hedgehog CD (Video Game) / int_3d1d5186
type
Bubblegloop Swamp
 Sonic the Hedgehog CD (Video Game) / int_3d1d5186
comment
Bubblegloop Swamp: Quartz Quadrant in the past. The present is instead an Eternal Engine set underground.
 Sonic the Hedgehog CD (Video Game) / int_3d1d5186
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_3d1d5186
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_3d1d5186
 Sonic the Hedgehog CD (Video Game) / int_3f737576
type
Climax Boss
 Sonic the Hedgehog CD (Video Game) / int_3f737576
comment
Climax Boss: Metal Sonic. Prior to this point, Metal kidnapped Amy Rose and changed the past to help Dr. Eggman rule the future, leaving Sonic to spend the entire game undoing his actions. When Sonic finally confronts him, they duke it out in a style of Boss Battle previously unseen in this series, racing, along with appropriate music.note The former plays in the Japanese and European versions, the latter in the North American version. This race concludes with Sonic finally rescuing Amy and defeating Metal, with only Eggman left to oppose him. It's the most memorable moment of the game, as well as the most challenging.
 Sonic the Hedgehog CD (Video Game) / int_3f737576
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_3f737576
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_3f737576
 Sonic the Hedgehog CD (Video Game) / int_3f8ef764
type
Bleak Level
 Sonic the Hedgehog CD (Video Game) / int_3f8ef764
comment
All the Bad Future stages feature the current trope combined with Bleak Level.
 Sonic the Hedgehog CD (Video Game) / int_3f8ef764
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_3f8ef764
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_3f8ef764
 Sonic the Hedgehog CD (Video Game) / int_40cad744
type
Flower Motifs
 Sonic the Hedgehog CD (Video Game) / int_40cad744
comment
Flower Motifs: The Badniks contain seeds which sprout into flowers, as opposed to the "animal battery" motif the series normally uses.
 Sonic the Hedgehog CD (Video Game) / int_40cad744
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_40cad744
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_40cad744
 Sonic the Hedgehog CD (Video Game) / int_4160410d
type
Damsel in Distress
 Sonic the Hedgehog CD (Video Game) / int_4160410d
comment
Damsel in Distress: Amy's entire purpose in this game is to be kidnapped by Metal Sonic.
 Sonic the Hedgehog CD (Video Game) / int_4160410d
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1.0
 Sonic the Hedgehog CD (Video Game) / int_4160410d
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_4160410d
 Sonic the Hedgehog CD (Video Game) / int_42d9daf9
type
No Fair Cheating
 Sonic the Hedgehog CD (Video Game) / int_42d9daf9
comment
No Fair Cheating: In the remake, activating Debug Mode disables achievements/trophies, and Zone times won't be recorded. Also in the remake, Tails, as a tradeoff for his flying skills, cannot be used to unlock achievements/trophies, as well. Furthermore, during Wacky Workbench's Egg Razer boss, his flight time period gets shortened significantly, preventing you from Sequence Breaking the boss by going further ahead of Eggman. This also applies to the start and end of the Metal Sonic race in Stardust Speedway.
 Sonic the Hedgehog CD (Video Game) / int_42d9daf9
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1.0
 Sonic the Hedgehog CD (Video Game) / int_42d9daf9
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_42d9daf9
 Sonic the Hedgehog CD (Video Game) / int_4348c929
type
Early Installment Character-Design Difference
 Sonic the Hedgehog CD (Video Game) / int_4348c929
comment
Amy makes her first appearance here, in a different dress, with different hair, and lacking her trademark hammer.
 Sonic the Hedgehog CD (Video Game) / int_4348c929
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_4348c929
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_4348c929
 Sonic the Hedgehog CD (Video Game) / int_4364fe24
type
Ethereal Choir
 Sonic the Hedgehog CD (Video Game) / int_4364fe24
comment
Ethereal Choir: The Japanese final boss music has a woman singing in the background; there are no lyrics, so it's essentially a One-Woman Wail with instruments. The Bad Future version of Tidal Tempest in the U.S. soundtrack has a chorus chant.
 Sonic the Hedgehog CD (Video Game) / int_4364fe24
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_4364fe24
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_4364fe24
 Sonic the Hedgehog CD (Video Game) / int_4395ac9
type
Inconveniently-Placed Conveyor Belt
 Sonic the Hedgehog CD (Video Game) / int_4395ac9
comment
Inconveniently-Placed Conveyor Belt: These are everywhere in Quartz Quadrant. In the past, they move fairly slowly, in the present they are average speed, and in either of the future stages, they move pretty damn fast, so getting past them can be a bit annoying. You can change the direction they go in, but it doesn't always help. This culminates in the Egg Conveyer boss.
 Sonic the Hedgehog CD (Video Game) / int_4395ac9
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_4395ac9
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_4395ac9
 Sonic the Hedgehog CD (Video Game) / int_450a63b5
type
Player Nudge
 Sonic the Hedgehog CD (Video Game) / int_450a63b5
comment
Player Nudge: To encourage new players to learn about the Time Travel mechanic, Palmtree Panic Zone 1 conveniently places both a Past and Future sign next to each other by the first tunnel, which upon entering will allow the player to build up enough speed to trigger a time warp after launching out of it (provided they miss a platform that's right above, which is a subtle clue that any interruption of speed will cancel the warp). The placement of the signs is also important; grabbing the Future sign first will likely lead to a new player then accidentally (if not purposefully) grabbing the Past sign beside it or vice versa, which teaches the player that each sign can only be used once and that you can only use one or the other's benefits at any time.
 Sonic the Hedgehog CD (Video Game) / int_450a63b5
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_450a63b5
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_450a63b5
 Sonic the Hedgehog CD (Video Game) / int_45bf382b
type
Game Mod
 Sonic the Hedgehog CD (Video Game) / int_45bf382b
comment
Game Mod: The game has received relatively few hacks compared to other games in the classic Sonic series due to the complexity of the Sega CD, though a few folks have taken cracks at it. Sonic CD Plus Plus is one of them, adding new features like the Homing Attack and a Sonic 2 style Spin Dash to the game. The Steam version and fan decompilation port has received various mods thanks to the Sonic CD Mod Loader and the decompilation port's native modding support, respectively, such as making Amy Rose playable, restoring the unused Desert Dazzle Zone, and implementing the original time travel mechanics into the game. There's also Sonic CD Restored, a mod that aims to restore many elements from the Sega CD version into the Steam version and the fan decompilation while adding some quality-of-life improvements, the original time travel mechanics, and as part of a 1-Year Anniversary update, added Amy as an unlockable character, all while remaining faithful the original Sega CD version's features. There are also add-ons for Sonic CD Restored that can add Knuckles as an unlockable character and customize the game's US and Japanese soundtracks. One mod for the Steam release adds newly-created Past tracks for the North American soundtrack, addressing the dissonance that occasionally occurs otherwise due to the original US composers being unable to replace the sequenced tracks.
 Sonic the Hedgehog CD (Video Game) / int_45bf382b
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_45bf382b
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_45bf382b
 Sonic the Hedgehog CD (Video Game) / int_463b32b8
type
Save the Princess
 Sonic the Hedgehog CD (Video Game) / int_463b32b8
comment
Save the Princess: In the North American Sega CD manual, Amy was identified as "Princess Sally". This change was undone in all later sources and re-releases.
 Sonic the Hedgehog CD (Video Game) / int_463b32b8
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_463b32b8
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_463b32b8
 Sonic the Hedgehog CD (Video Game) / int_47e4f5f5
type
Golden Ending
 Sonic the Hedgehog CD (Video Game) / int_47e4f5f5
comment
Said Time Stones are not required for the Golden Ending. Destroying all the robot transporters also works.
 Sonic the Hedgehog CD (Video Game) / int_47e4f5f5
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_47e4f5f5
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_47e4f5f5
 Sonic the Hedgehog CD (Video Game) / int_49d18492
type
Scenery Gorn
 Sonic the Hedgehog CD (Video Game) / int_49d18492
comment
Scenery Gorn: The Bad Futures. Eggman's corruption hasn't been fixed, and the world has become a nightmarish dystopia. It's especially bad for the levels where water can been seen; the water ends up looking horribly polluted and nasty.
 Sonic the Hedgehog CD (Video Game) / int_49d18492
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_49d18492
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_49d18492
 Sonic the Hedgehog CD (Video Game) / int_49d59be9
type
Scenery Porn
 Sonic the Hedgehog CD (Video Game) / int_49d59be9
comment
Scenery Porn: The environments are beautiful to look at, possessing a dream-like quality to them. This especially holds true for the Good Futures, a mix of technology and nature in bright flashy colors. The Special Stages also have a variety of very unique background aesthetics with a great sense of place to them.
 Sonic the Hedgehog CD (Video Game) / int_49d59be9
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_49d59be9
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_49d59be9
 Sonic the Hedgehog CD (Video Game) / int_4ad522e2
type
Super Title 64 Advance
 Sonic the Hedgehog CD (Video Game) / int_4ad522e2
comment
Super Title 64 Advance: Sonic CD for the Sega CD.
 Sonic the Hedgehog CD (Video Game) / int_4ad522e2
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_4ad522e2
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_4ad522e2
 Sonic the Hedgehog CD (Video Game) / int_4e3d253b
type
Downer Ending
 Sonic the Hedgehog CD (Video Game) / int_4e3d253b
comment
Downer Ending: In The Stinger of the bad ending, there's a time rift, and Little Planet reappears, covered in its metal casing and chained once more, implying Eggman used the Time Stones to hit the Reset Button on his failure.
 Sonic the Hedgehog CD (Video Game) / int_4e3d253b
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_4e3d253b
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_4e3d253b
 Sonic the Hedgehog CD (Video Game) / int_4f4372e9
type
Early-Installment Weirdness
 Sonic the Hedgehog CD (Video Game) / int_4f4372e9
comment
Early-Installment Weirdness: Amy makes her first appearance here, in a different dress, with different hair, and lacking her trademark hammer. Zigzagged with the game as a whole. As in Sonic 1, there are three acts in every zone instead of two, Special Stages are accessed by collecting 50 rings and jumping into a Giant Ring at the end of the level, and levels are more focused on platforming and exploration instead of speed, which is compounded by the game's time travel mechanic. However, this game came out after Sonic 2 which had two acts per zone, had levels focus on speed instead of platforming, and introduced a different method of accessing Special Stages. Then Sonic 3 came out after this game and built on the foundation that Sonic 2 laid, ignoring Sonic CD completely. This is somewhat justified as while series creator Yuji Naka and several other key developers split off from the original development team to work on the rest of the main Sonic trilogy in the U.S., what was left of the original development team stayed behind and worked on Sonic CD, while Naka's team worked on Sonic 2 simultaneously. The Spin Dash is notably different from the one in Sonic 2 and on, as it has a different spinning animation and has to be charged by simply holding it for a second instead of button mashing it. Even the 2011 remaster, when compared to the 2013 remasters of Sonic 1 and 2, has shades of this. The process to go from the title screen to the game is differentnote Sonic 1 and 2 have a separate remake title screen and file select, while Sonic CD has its file select incorporated into the game itself, there is no option to play as Knuckles or Sonic and Tails togethernote though Knuckles was added as a playable character in the Origins Plus version, the mobile version has a different button and D-pad design, the game is a multiplatform release (Sonic 1 and 2 were mobile-only), and it was a solo project by Christian Whitehead. Unlike later ports, Stealth had no involvement at all, which could explain various differences such as Knuckles not being available.note Stealth was the person responsible for making the Knuckles in Sonic 1 hack.
 Sonic the Hedgehog CD (Video Game) / int_4f4372e9
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1.0
 Sonic the Hedgehog CD (Video Game) / int_4f4372e9
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_4f4372e9
 Sonic the Hedgehog CD (Video Game) / int_5009999d
type
Painting the Medium
 Sonic the Hedgehog CD (Video Game) / int_5009999d
comment
Painting the Medium: The Present and Future music tracks are in Red Book audio (i.e. standard Compact Disc Digital Audio, or CDDA), while the Past songs are in the lower quality PCM format used by the Sega CD's PCM chipnote technically, Red Book audio is also PCM, specifically Linear Pulse-Code Modulation (LPCM), but is higher quality than what the Sega CD's PCM chip is capable of.
 Sonic the Hedgehog CD (Video Game) / int_5009999d
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_5009999d
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_5009999d
 Sonic the Hedgehog CD (Video Game) / int_515eeccc
type
Sampling
 Sonic the Hedgehog CD (Video Game) / int_515eeccc
comment
Sampling: The lyrics "Work that sucker to death! Come on, now! Work that sucker to death!" come from the Xavier song "Work That Sucker to Death". Worthy of note is that although the original song did say "work that sucker to death" often, this particular sample is only the chorus to the JP Sonic CD boss music. The JP soundtrack samples its opening and ending themes during normal gameplay, with the game over theme sampling the former, albeit slowed down and muffled, and the stage clear theme sampling the latter. Interestingly, both are intact in the 2011 remake despite the lyrics being cut from their sources.
 Sonic the Hedgehog CD (Video Game) / int_515eeccc
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1.0
 Sonic the Hedgehog CD (Video Game) / int_515eeccc
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_515eeccc
 Sonic the Hedgehog CD (Video Game) / int_52094ed
type
Team Killer
 Sonic the Hedgehog CD (Video Game) / int_52094ed
comment
Team Killer: If you beat Metal Sonic in Stardust Speedway Zone 3, Eggman's laser will catch up to him, killing the doctor's own creation.
 Sonic the Hedgehog CD (Video Game) / int_52094ed
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_52094ed
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_52094ed
 Sonic the Hedgehog CD (Video Game) / int_52475ffd
type
Cutting Off the Branches
 Sonic the Hedgehog CD (Video Game) / int_52475ffd
comment
Cutting Off the Branches: Sonic Generations and Sonic the Hedgehog 4: Episode Metal heavily implies that the Metal Sonic race canonically took place in Stardust Speedway's Bad Future, though due to the Timey-Wimey Ball, even this may not strictly be true.
 Sonic the Hedgehog CD (Video Game) / int_52475ffd
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_52475ffd
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_52475ffd
 Sonic the Hedgehog CD (Video Game) / int_53430e3c
type
Non-Lethal Bottomless Pits
 Sonic the Hedgehog CD (Video Game) / int_53430e3c
comment
Non-Lethal Bottomless Pits: If you fail to platform in the methodical Wacky Workbench Zone 1, instead of dying to a pit the bouncy floor just wastes your time by sending you to the top of the level, which in the present version of the level is a series of trap rooms with no way out but back below.
 Sonic the Hedgehog CD (Video Game) / int_53430e3c
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1.0
 Sonic the Hedgehog CD (Video Game) / int_53430e3c
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 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_53430e3c
 Sonic the Hedgehog CD (Video Game) / int_5372ed53
type
Macro Zone
 Sonic the Hedgehog CD (Video Game) / int_5372ed53
comment
Macro Zone: In some of the end of Metallic Madness Zone 2, Sonic goes through shrink rays that make the zone fit this trope. He still retains normal jump height though.
 Sonic the Hedgehog CD (Video Game) / int_5372ed53
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_5372ed53
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_5372ed53
 Sonic the Hedgehog CD (Video Game) / int_5458df4f
type
Fan Remake
 Sonic the Hedgehog CD (Video Game) / int_5458df4f
comment
Fan Remake: Similarly to the Retro Engine remasters of Sonic 1 and 2, Sonic CD also received a fan decompilation port that allows the Steam and mobile versions of the game to be played natively on PC and other platforms while providing unique benefits from both versions that one version didn't receive from the other.*The Steam version of Sonic CD didn't receive script updates that the mobile version has gotten, while mobile version has a different rendering backend that doesn't fully support palettes compared the Steam version. The fan decompilation also has native support for user-created mods.
 Sonic the Hedgehog CD (Video Game) / int_5458df4f
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_5458df4f
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_5458df4f
 Sonic the Hedgehog CD (Video Game) / int_56b53152
type
Green Aesop
 Sonic the Hedgehog CD (Video Game) / int_56b53152
comment
Green Aesop: Just like the previous game, the main threat from Eggman is the damage he intends to do to nature. Notably, technology itself is not the problem: the problem is Eggman. In the Bad Futures, which have Eggman take over the Zone, the environment is in a severe state of disrepair - including the robots themselves (showcasing Eggman's wasteful ways). In the Good Futures, it's shown that nature and technology can and indeed should be in the same place to create paradise. For example: Stardust Speedway. In the past, it was a vine-covered Temple of Doom sitting just outside of a massive city that seemed to have a flair for art and theater. In the present, it's developing into an advanced city, and the level track now resembles a gigantic brass instrument. In the good future, the city has become a massive amusement park. In the Bad Future, the city is ludicrously dense with factory buildings that fill up quite literally all available space to the horizon, filling the once beautiful, starry sky with dense smog and occasionally lightning. All signs of art and culture have been destroyed. The Good Future of Palmtree Panic is inhabited by small squirrels and has a system of pipes that regulate the clear water in the area, instead of spreading polluted water, which happens in the Bad Future. The Good Future of Tidal Tempest looks like a giant hydroponic greenhouse with nutrient-rich green water; in the Bad Future, the plants are dead or roboticized, and the water is magenta.
 Sonic the Hedgehog CD (Video Game) / int_56b53152
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1.0
 Sonic the Hedgehog CD (Video Game) / int_56b53152
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_56b53152
 Sonic the Hedgehog CD (Video Game) / int_5cfeb43f
type
Save Scumming
 Sonic the Hedgehog CD (Video Game) / int_5cfeb43f
comment
Save Scumming: The 2011 version of the game makes a save at the beginning of a Special Stage and doesn't save the results if the game is restarted before the results screen finishes. This makes it easier to get all seven Time Stones early, and doing it early enough would mean Quartz Quadrant Zone 2 and on automatically have Good Futures.
 Sonic the Hedgehog CD (Video Game) / int_5cfeb43f
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_5cfeb43f
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_5cfeb43f
 Sonic the Hedgehog CD (Video Game) / int_615285d0
type
Foreign Re-Score
 Sonic the Hedgehog CD (Video Game) / int_615285d0
comment
Foreign Re-Score: The North American version replaces four-fifths of the soundtrack by Naofumi Hataya et. al with new music composed by Spencer Nilsen and David Young.note The "Past" music for each Zone is exactly the same in both the US and JP versions –- probably due to technical issues, see "Painting the Medium" below.
 Sonic the Hedgehog CD (Video Game) / int_615285d0
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1.0
 Sonic the Hedgehog CD (Video Game) / int_615285d0
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_615285d0
 Sonic the Hedgehog CD (Video Game) / int_63a2340a
type
Crystal Landscape
 Sonic the Hedgehog CD (Video Game) / int_63a2340a
comment
Quartz Quadrant happens in a cave with conveyor belts: while the Past is a simple cave, the Present is a Crystal Landscape, the Good Future is an Underground City and the Bad Future is another Eggman factory.
 Sonic the Hedgehog CD (Video Game) / int_63a2340a
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1.0
 Sonic the Hedgehog CD (Video Game) / int_63a2340a
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_63a2340a
 Sonic the Hedgehog CD (Video Game) / int_659ea609
type
Techno Wreckage
 Sonic the Hedgehog CD (Video Game) / int_659ea609
comment
Techno Wreckage: The Bad Futures all feature technologically advanced garbage in huge amounts - Wacky Workbench and Metallic Madness especially.
 Sonic the Hedgehog CD (Video Game) / int_659ea609
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_659ea609
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_659ea609
 Sonic the Hedgehog CD (Video Game) / int_6a85e9e1
type
Dub-Induced Plot Hole
 Sonic the Hedgehog CD (Video Game) / int_6a85e9e1
comment
Dub-Induced Plot Hole: The prologue from the North American manual tells a wholly different version of Sonic's arrival at Never Lake, with him being accompanied by Amy, and the latter getting kidnapped. By contrast, the opening FMV shows Sonic arriving alone, and Amy isn't kidnapped until the beginning of Collision Chaos. The North American manual prologue also shows Sonic being more friendly toward Amy (as she acts less like a Stalker with a Crush), which is at odds with his demeanor toward her in the ending FMV. This is because North American version (before being revised for the 1996 PC version) renames Amy to Princess Sally, presumably as an attempt to tie in to the cartoon, despite Sally looking and acting completely different from Amy.
 Sonic the Hedgehog CD (Video Game) / int_6a85e9e1
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1.0
 Sonic the Hedgehog CD (Video Game) / int_6a85e9e1
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_6a85e9e1
 Sonic the Hedgehog CD (Video Game) / int_6adeb132
type
Rubber-Band A.I.
 Sonic the Hedgehog CD (Video Game) / int_6adeb132
comment
Rubberband AI: The Metal Sonic race relies on this. How Metal Sonic reacts depends on how far Sonic is ahead and him and for how long. If you're skilled enough to keep far ahead of him nonstop (or cheat with mods like Sonic CD Plus Plus), Metal Sonic will go into nonstop overdrive until the very last stretch in order to keep up with Sonic.
 Sonic the Hedgehog CD (Video Game) / int_6adeb132
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1.0
 Sonic the Hedgehog CD (Video Game) / int_6adeb132
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_6adeb132
 Sonic the Hedgehog CD (Video Game) / int_6b31f75
type
Scary Scorpions
 Sonic the Hedgehog CD (Video Game) / int_6b31f75
comment
Scary Scorpions: The Sasori enemy is a robotic scorpion that inhabits Quartz Quadrant Zone and attacks by shooting lasers from its tail.
 Sonic the Hedgehog CD (Video Game) / int_6b31f75
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_6b31f75
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 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_6b31f75
 Sonic the Hedgehog CD (Video Game) / int_6b7c9f96
type
The Lost Woods
 Sonic the Hedgehog CD (Video Game) / int_6b7c9f96
comment
The Lost Woods: Collision Chaos is a forest with a lot of mechanical elements thrown in.
 Sonic the Hedgehog CD (Video Game) / int_6b7c9f96
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1.0
 Sonic the Hedgehog CD (Video Game) / int_6b7c9f96
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 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_6b7c9f96
 Sonic the Hedgehog CD (Video Game) / int_6c6806a5
type
Band Land
 Sonic the Hedgehog CD (Video Game) / int_6c6806a5
comment
Band Land: Stardust Speedway's level track aesthetically resembles a gigantic brass instrument — complete with valves and bells.
 Sonic the Hedgehog CD (Video Game) / int_6c6806a5
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1.0
 Sonic the Hedgehog CD (Video Game) / int_6c6806a5
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_6c6806a5
 Sonic the Hedgehog CD (Video Game) / int_6e02907
type
Fake Trap
 Sonic the Hedgehog CD (Video Game) / int_6e02907
comment
Fake Trap: Wacky Workbench Zone 1 contains fake crusher traps. One of them is required to find the robot transporter in this stage.
 Sonic the Hedgehog CD (Video Game) / int_6e02907
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1.0
 Sonic the Hedgehog CD (Video Game) / int_6e02907
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_6e02907
 Sonic the Hedgehog CD (Video Game) / int_6e7e9709
type
Cosmetic Award
 Sonic the Hedgehog CD (Video Game) / int_6e7e9709
comment
Cosmetic Award: Destroying the Metal Sonic holograms in the Past has no effect on the futures or the ending, but it does make some animals appear. The remake gives you a little more incentive to destroy them by tying it into an achievement/trophy.
 Sonic the Hedgehog CD (Video Game) / int_6e7e9709
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1.0
 Sonic the Hedgehog CD (Video Game) / int_6e7e9709
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_6e7e9709
 Sonic the Hedgehog CD (Video Game) / int_6ec989d8
type
Guide Dang It!
 Sonic the Hedgehog CD (Video Game) / int_6ec989d8
comment
Guide Dang It!: For players trying to destroy all the robot transporters in the past, Wacky Workbench Zone 1's device is infamously difficult to reach on the first try. In order to reach the machine, you have to jump on top of a crushing piston near the level's end, which sends you down the pipe where the transporter is located instead of killing you as with most of the crushing pistons in the series. Fortunately, it's possible, albeit difficult without the skill and/or Save Scumming, to have all the Time Stones by this point for those who don't want to bother with the transporter.
 Sonic the Hedgehog CD (Video Game) / int_6ec989d8
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1.0
 Sonic the Hedgehog CD (Video Game) / int_6ec989d8
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 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_6ec989d8
 Sonic the Hedgehog CD (Video Game) / int_704d7e91
type
No Ontological Inertia
 Sonic the Hedgehog CD (Video Game) / int_704d7e91
comment
No Ontological Inertia: Destroying the roboticizer in the past time period of a given level makes all the surviving Mooks instantly explode.
 Sonic the Hedgehog CD (Video Game) / int_704d7e91
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1.0
 Sonic the Hedgehog CD (Video Game) / int_704d7e91
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 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_704d7e91
 Sonic the Hedgehog CD (Video Game) / int_723606c4
type
Adaptational Early Appearance
 Sonic the Hedgehog CD (Video Game) / int_723606c4
comment
Adaptational Early Appearance: Zig-zagged in regards to Tails being playable in the 2011 and Sonic Origins releases; the game was released after Sonic 2, which doesn't make this a straight example, but with Sonic Origins placing this game between Sonic 1 and 2, it could count as this timeline wise. A straighter example of this is Knuckles being playable in the Sonic Origins Plus release; he originally appeared in Sonic 3, which came after this game both in release order and in timeline order.
 Sonic the Hedgehog CD (Video Game) / int_723606c4
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1.0
 Sonic the Hedgehog CD (Video Game) / int_723606c4
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_723606c4
 Sonic the Hedgehog CD (Video Game) / int_7315fd38
type
Covers Always Lie
 Sonic the Hedgehog CD (Video Game) / int_7315fd38
comment
Covers Always Lie: Despite what the American cover art suggests, Metal Sonic is never encountered in special stages nor does he ever duel Sonic for the Time Stones.
 Sonic the Hedgehog CD (Video Game) / int_7315fd38
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_7315fd38
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_7315fd38
 Sonic the Hedgehog CD (Video Game) / int_77012704
type
New Jack Swing
 Sonic the Hedgehog CD (Video Game) / int_77012704
comment
New Jack Swing: This game, alongside Sonic 3 & Knuckles, is one of two "Classic" era games to have its soundtrack heavily influenced by the genre. However, up until the release of the 2011 remake, the only versions of the game with that soundtrack was the Japanese and European releases. The only New Jack-styled track from CD to appear in the North American release prior to 2011 was the "Past" mix of Stardust Speedway.
 Sonic the Hedgehog CD (Video Game) / int_77012704
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 Sonic the Hedgehog CD (Video Game) / int_77012704
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_77012704
 Sonic the Hedgehog CD (Video Game) / int_77dd4ff0
type
Sliding Scale of Shiny Versus Gritty
 Sonic the Hedgehog CD (Video Game) / int_77dd4ff0
comment
Sliding Scale of Shiny Versus Gritty: The contrast between the good and bad futures.
 Sonic the Hedgehog CD (Video Game) / int_77dd4ff0
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1.0
 Sonic the Hedgehog CD (Video Game) / int_77dd4ff0
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 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_77dd4ff0
 Sonic the Hedgehog CD (Video Game) / int_7a3dd888
type
Real Men Wear Pink
 Sonic the Hedgehog CD (Video Game) / int_7a3dd888
comment
Real Men Wear Pink: For no clear reason, the EGG-HVC-001 is colored pink in the Good Future of Palmtree Panic.
 Sonic the Hedgehog CD (Video Game) / int_7a3dd888
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1.0
 Sonic the Hedgehog CD (Video Game) / int_7a3dd888
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_7a3dd888
 Sonic the Hedgehog CD (Video Game) / int_7a614b0c
type
San Dimas Time
 Sonic the Hedgehog CD (Video Game) / int_7a614b0c
comment
San Dimas Time: With all of the time travel involved, the game still has the 10-minute limit in its stages. Going to the past, or future (Good or Bad), doesn't change this in the slightest.
 Sonic the Hedgehog CD (Video Game) / int_7a614b0c
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1.0
 Sonic the Hedgehog CD (Video Game) / int_7a614b0c
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_7a614b0c
 Sonic the Hedgehog CD (Video Game) / int_7c4f6612
type
Comic-Book Adaptation
 Sonic the Hedgehog CD (Video Game) / int_7c4f6612
comment
Comic-Book Adaptation: Issues 26-28 of Sonic the Comic and issue 25 of the Archie comics adapt the events of this game.
 Sonic the Hedgehog CD (Video Game) / int_7c4f6612
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1.0
 Sonic the Hedgehog CD (Video Game) / int_7c4f6612
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_7c4f6612
 Sonic the Hedgehog CD (Video Game) / int_7c5635f7
type
Mocking Sing-Song
 Sonic the Hedgehog CD (Video Game) / int_7c5635f7
comment
Mocking Sing-Song: The Japanese game over theme samples the intro song to enforce this trope.
 Sonic the Hedgehog CD (Video Game) / int_7c5635f7
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_7c5635f7
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_7c5635f7
 Sonic the Hedgehog CD (Video Game) / int_7d0b5cb5
type
Platform Hell
 Sonic the Hedgehog CD (Video Game) / int_7d0b5cb5
comment
Platform Hell: Wacky Workbench Zone 1 is unique — and controversial — among Sonic levels for its heavy focus on platforming. There is a straightfoward single path to the goal, but falling off the platforms will cause Sonic to land on a powerful bouncy floor that sends him towards the closed-off top areas. The player must then fall back and try again. In Metallic Madness Zone 3, the player has to overcome a small area full of temporary platforms over the single bottomless pit in the game and time it just right to run under a crusher and into the final boss corridor. You can cheese this challenge by hugging the side of the crusher when it is grounded, causing Sonic to land on the very tip of the floor. However, this won't work in the remake due to its changed physics.
 Sonic the Hedgehog CD (Video Game) / int_7d0b5cb5
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_7d0b5cb5
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_7d0b5cb5
 Sonic the Hedgehog CD (Video Game) / int_80f38afe
type
Background Music Override
 Sonic the Hedgehog CD (Video Game) / int_80f38afe
comment
Background Music Override: In the Japanese/European Mega-CD version, as well as the 2011 version, the race with Metal Sonic uses the Bad Future theme even if you've achieved a Good Future for the Zone. This is not the case in the North American Sega CD version or any regional release of the PC or Gems Collection versions.
 Sonic the Hedgehog CD (Video Game) / int_80f38afe
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1.0
 Sonic the Hedgehog CD (Video Game) / int_80f38afe
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_80f38afe
 Sonic the Hedgehog CD (Video Game) / int_834427cd
type
Cap
 Sonic the Hedgehog CD (Video Game) / int_834427cd
comment
Cap: Curiously, Sonic CD's speed cap seems to be based on the one used for Sonic 2 instead of the original game. Pressing forward on the ground maintains Sonic's speed, but pressing it while jumping or falling will trigger the speed cap.
 Sonic the Hedgehog CD (Video Game) / int_834427cd
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_834427cd
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_834427cd
 Sonic the Hedgehog CD (Video Game) / int_84f4a870
type
Puzzle Boss
 Sonic the Hedgehog CD (Video Game) / int_84f4a870
comment
Puzzle Boss: Compared to the rest of the series, there are a lot more bosses that revolve around puzzles; while most of the bosses are of the "hit him until he's dead" variety, all of them except the first (and, eventually, the last, which gets progressively easier to hit as the battle progresses) also require that you figure the "trick" to hurting them, from manipulative platforming to whittling down shields bit by bit.
 Sonic the Hedgehog CD (Video Game) / int_84f4a870
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_84f4a870
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_84f4a870
 Sonic the Hedgehog CD (Video Game) / int_858dc9aa
type
Unwinnable
 Sonic the Hedgehog CD (Video Game) / int_858dc9aa
comment
If a player fouls up the time travel sidequest in a zone or runs into a rare Unwinnable situation (i.e. getting stuck in scenery from time travel, the accidentally unbeatable Past Metallic Madness in the game's original release), pausing the game and pressing any button will restart the current zone, albeit at the cost of an extra life.
 Sonic the Hedgehog CD (Video Game) / int_858dc9aa
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_858dc9aa
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_858dc9aa
 Sonic the Hedgehog CD (Video Game) / int_883f3732
type
WarmUpBoss
 Sonic the Hedgehog CD (Video Game) / int_883f3732
comment
Warm-Up Boss: Palmtree Panic's boss, the EGG-HVC-001, is a slow moving mini-mecha that can't even directly attack you; its only defense is two arms with easily dodgeable Bumpers attached, and otherwise its only "attack" is inflicting collision damage, and it loses an arm with two of the three hits it takes to mow it down, which can be easily done in less than 15 seconds—or if you want to be even quicker, you can just move right behind the boss and attack it directly from behind as soon as it lands (and it can't turn around to retaliate). On top of all that, due to an invincibility box at the beginning of the level, you can actually defeat the boss without being in any danger at all of being hurt. It's easier than Egg Mobile-D.
 Sonic the Hedgehog CD (Video Game) / int_883f3732
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1.0
 Sonic the Hedgehog CD (Video Game) / int_883f3732
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_883f3732
 Sonic the Hedgehog CD (Video Game) / int_88e7f8b8
type
Batman Cold Open
 Sonic the Hedgehog CD (Video Game) / int_88e7f8b8
comment
Batman Cold Open: The opening animation sequence by Toei demonstrates Sonic's speed, agility, and power in excellent form. Also included in the package is an ending sequence that's equally action-packed.
 Sonic the Hedgehog CD (Video Game) / int_88e7f8b8
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_88e7f8b8
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_88e7f8b8
 Sonic the Hedgehog CD (Video Game) / int_8e0430ab
type
Non-Standard Game Over
 Sonic the Hedgehog CD (Video Game) / int_8e0430ab
comment
Non-Standard Game Over: Put the controller down. Three minutes and one "I'm outer here" [sic] later...
 Sonic the Hedgehog CD (Video Game) / int_8e0430ab
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_8e0430ab
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_8e0430ab
 Sonic the Hedgehog CD (Video Game) / int_912b24c4
type
Art Shift
 Sonic the Hedgehog CD (Video Game) / int_912b24c4
comment
Art Shift: The opening and ending cutscenes, besides switching from sprite-based gameplay to full-fledged animation, also show Sonic with a noticeable variation on his typical design — he's more angular with pointier quills. Unlike the CD-based Present and Future music, the music for the Past levels is sequenced PCM audio to emulate the "past" style of 16-bit music. As a result of sequenced music not being as easily replaceable as CD audio, the Past themes remain unchanged in the US soundtrack, which can lead to some Mood Whiplash at times (such as the track of Metallic Madness Past having a more dire-yet-frenetic feel in contrast with the more mechanical but slower-paced feel of its Present counterpart's US track).
 Sonic the Hedgehog CD (Video Game) / int_912b24c4
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_912b24c4
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_912b24c4
 Sonic the Hedgehog CD (Video Game) / int_92cf3f7b
type
Smashing Hallway Traps of Doom
 Sonic the Hedgehog CD (Video Game) / int_92cf3f7b
comment
The fake Smashing Hallway Traps of Doom of Wacky Workbench. Standing on one will take you somewhere. One is required to go to the robot transporter in Zone 1.
 Sonic the Hedgehog CD (Video Game) / int_92cf3f7b
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1.0
 Sonic the Hedgehog CD (Video Game) / int_92cf3f7b
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_92cf3f7b
 Sonic the Hedgehog CD (Video Game) / int_93ed8515
type
Set Right What Once Went Wrong
 Sonic the Hedgehog CD (Video Game) / int_93ed8515
comment
Set Right What Once Went Wrong: Sonic's goal is to save the Little Planet's future by ridding it of Eggman's influence. He can achieve this by destroying the robot transporter in the past or collecting every Time Stone.
 Sonic the Hedgehog CD (Video Game) / int_93ed8515
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1.0
 Sonic the Hedgehog CD (Video Game) / int_93ed8515
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 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_93ed8515
 Sonic the Hedgehog CD (Video Game) / int_956a6d1e
type
Pre-Rendered Graphics
 Sonic the Hedgehog CD (Video Game) / int_956a6d1e
comment
Pre-Rendered Graphics: Every cutscene in the game is a fully-animated 2D cartoon by Studio Junio and Toei Animation.
 Sonic the Hedgehog CD (Video Game) / int_956a6d1e
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1.0
 Sonic the Hedgehog CD (Video Game) / int_956a6d1e
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_956a6d1e
 Sonic the Hedgehog CD (Video Game) / int_97c57f9f
type
Mosquito Miscreants
 Sonic the Hedgehog CD (Video Game) / int_97c57f9f
comment
Mosquito Miscreants: The Needlenose enemy is a robotic mosquito that plunges down at Sonic if he gets near him.
 Sonic the Hedgehog CD (Video Game) / int_97c57f9f
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_97c57f9f
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_97c57f9f
 Sonic the Hedgehog CD (Video Game) / int_98b1dc8f
type
Luck-Based Mission
 Sonic the Hedgehog CD (Video Game) / int_98b1dc8f
comment
Luck-Based Mission: Tidal Tempest's Egg Bubble boss is a One-Hit-Point Wonder, yet has the ability to suck up a bunch of air bubbles and arrange them in a sort of rotating "shield" that Sonic has to breathe away in order to hit him. The boss will periodically re-arrange the shield to cover up the gaps. Sometimes you'll get lucky and only have to breathe away one or two before you manage to hit him, while other times you'll have to breathe up almost all of them before you can get the hit in. Furthermore, it's possible to breathe them all up, and then die if you don't deliver the hit soon enough as you no longer have any air supply.
 Sonic the Hedgehog CD (Video Game) / int_98b1dc8f
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1.0
 Sonic the Hedgehog CD (Video Game) / int_98b1dc8f
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_98b1dc8f
 Sonic the Hedgehog CD (Video Game) / int_98f19e68
type
Our Founder
 Sonic the Hedgehog CD (Video Game) / int_98f19e68
comment
Our Founder: The statues of Eggman at Wacky Workbench and Stardust Speedway (Present and Bad Future), and the image on the mountain that appears in the opening.note Unfortunately, the close-up of the mountain tends to be cut in the re-releases.
 Sonic the Hedgehog CD (Video Game) / int_98f19e68
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1.0
 Sonic the Hedgehog CD (Video Game) / int_98f19e68
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1.0
 Sonic the Hedgehog CD (Video Game)
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Sonic the Hedgehog CD (Video Game) / int_98f19e68
 Sonic the Hedgehog CD (Video Game) / int_9918518b
type
Press X to Die
 Sonic the Hedgehog CD (Video Game) / int_9918518b
comment
Press X to Die: In the North American Sega CD version, pressing one of the jump buttons while the game is paused will restart the level at the cost of one life provided you have at least two lives available. Otherwise, this reverts the player back to the title screen. This also works in the PC version.
 Sonic the Hedgehog CD (Video Game) / int_9918518b
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1.0
 Sonic the Hedgehog CD (Video Game) / int_9918518b
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_9918518b
 Sonic the Hedgehog CD (Video Game) / int_9952b10b
type
Re-Release Soundtrack
 Sonic the Hedgehog CD (Video Game) / int_9952b10b
comment
Re-Release Soundtrack: The original Japanese soundtrack was kept for the European release, but the North American version replaced it with a whole new soundtrack mixed in QSound (a positional audio algorithm that attempts to mimic surround sound through stereo speakers). However, only the CD audio tracks were replaced — the past tracks, which are generated through the system's sound chip, weren't able to be replaced. This creates a jarring contrast when traveling between the past and the future. When the game was re-released in 2011, that version used the original Japanese soundtrack by default, but included the option to switch to the North American soundtrack.
 Sonic the Hedgehog CD (Video Game) / int_9952b10b
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1.0
 Sonic the Hedgehog CD (Video Game) / int_9952b10b
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_9952b10b
 Sonic the Hedgehog CD (Video Game) / int_9d09bf1a
type
American Kirby Is Hardcore
 Sonic the Hedgehog CD (Video Game) / int_9d09bf1a
comment
American Kirby Is Hardcore: The North American version replaced the game's house, techno-rave, and new jack swing-influenced soundtrack with a moodier, atmospheric rock soundtrack by Spencer Nilsen of the Sega Technical Institute, known for his work on Ecco the Dolphin. The cover art inverts this: The North American Sega CD and PC versions have Sonic snatch a Time Stone just out of Metal Sonic's reach, while the Japanese Mega-CD cover has Sonic and Metal Sonic moments away from coming to blows◊.
 Sonic the Hedgehog CD (Video Game) / int_9d09bf1a
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1.0
 Sonic the Hedgehog CD (Video Game) / int_9d09bf1a
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_9d09bf1a
 Sonic the Hedgehog CD (Video Game) / int_9d6427ec
type
Time Travel
 Sonic the Hedgehog CD (Video Game) / int_9d6427ec
comment
Time Travel: A present mechanic of the game, inspired by various books and films, including Back to the Future.
 Sonic the Hedgehog CD (Video Game) / int_9d6427ec
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1.0
 Sonic the Hedgehog CD (Video Game) / int_9d6427ec
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_9d6427ec
 Sonic the Hedgehog CD (Video Game) / int_9dd0f9bf
type
Acid-Trip Dimension
 Sonic the Hedgehog CD (Video Game) / int_9dd0f9bf
comment
Acid-Trip Dimension: Collision Chaos. The background has, in addition to mountains and a river, a "forest" of yellow crystals and a bunch of yellow circular dots (what the latter is meant to represent is anyone's guess). The foreground isn't much less bizarre, with these things that look like giant frog eggs but break when Sonic hits them, and make a "glass breaking" sound effect. There's also a bunch of panels which display flashing neon symbols in some kind of alien alphabet, and the ground is pink for no apparent reason, which is especially weird considering it's a normal earth/dirt color in the past.
 Sonic the Hedgehog CD (Video Game) / int_9dd0f9bf
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1.0
 Sonic the Hedgehog CD (Video Game) / int_9dd0f9bf
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_9dd0f9bf
 Sonic the Hedgehog CD (Video Game) / int_9f6fb586
type
Leitmotif
 Sonic the Hedgehog CD (Video Game) / int_9f6fb586
comment
Leitmotif: The JP boss music for Eggman, due to part of the lyrics:
 Sonic the Hedgehog CD (Video Game) / int_9f6fb586
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1.0
 Sonic the Hedgehog CD (Video Game) / int_9f6fb586
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_9f6fb586
 Sonic the Hedgehog CD (Video Game) / int_a414c3f0
type
One-Hit Kill
 Sonic the Hedgehog CD (Video Game) / int_a414c3f0
comment
One-Hit Kill: Eggman's pacing laser in Stardust Speedway Zone 3 is an instant kill even if you have Rings.
 Sonic the Hedgehog CD (Video Game) / int_a414c3f0
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1.0
 Sonic the Hedgehog CD (Video Game) / int_a414c3f0
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_a414c3f0
 Sonic the Hedgehog CD (Video Game) / int_a4c37cbe
type
Mood Whiplash
 Sonic the Hedgehog CD (Video Game) / int_a4c37cbe
comment
Unlike the CD-based Present and Future music, the music for the Past levels is sequenced PCM audio to emulate the "past" style of 16-bit music. As a result of sequenced music not being as easily replaceable as CD audio, the Past themes remain unchanged in the US soundtrack, which can lead to some Mood Whiplash at times (such as the track of Metallic Madness Past having a more dire-yet-frenetic feel in contrast with the more mechanical but slower-paced feel of its Present counterpart's US track).
 Sonic the Hedgehog CD (Video Game) / int_a4c37cbe
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1.0
 Sonic the Hedgehog CD (Video Game) / int_a4c37cbe
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_a4c37cbe
 Sonic the Hedgehog CD (Video Game) / int_a5e998f0
type
Hitbox Dissonance
 Sonic the Hedgehog CD (Video Game) / int_a5e998f0
comment
Hitbox Dissonance: In the 2011 remake, the sawblade hitboxes on the rhino beetle badniks seen in Metallic Madness are mismatched with their animation. This was never fixed, even in the Origins compilation.
 Sonic the Hedgehog CD (Video Game) / int_a5e998f0
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1.0
 Sonic the Hedgehog CD (Video Game) / int_a5e998f0
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_a5e998f0
 Sonic the Hedgehog CD (Video Game) / int_a8826e1e
type
Giant Mook
 Sonic the Hedgehog CD (Video Game) / int_a8826e1e
comment
Metallic Madness' spinning, disappearing and moving platforms and doors are all from Scrap Brain. There's also a Giant Mook version of the Bomb badnik called Bigbom and each Zone has a unique background, just like Scrap Brain.
 Sonic the Hedgehog CD (Video Game) / int_a8826e1e
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1.0
 Sonic the Hedgehog CD (Video Game) / int_a8826e1e
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_a8826e1e
 Sonic the Hedgehog CD (Video Game) / int_a9cec1f1
type
Missing Secret
 Sonic the Hedgehog CD (Video Game) / int_a9cec1f1
comment
Missing Secret: For those who aim for 100% completion, Metallic Madness can be puzzling at first when it comes to finding Metal Sonic holograms. In fact, it doesn't have any. This makes sense since he was defeated in the previous Zone, albeit in the future.
 Sonic the Hedgehog CD (Video Game) / int_a9cec1f1
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1.0
 Sonic the Hedgehog CD (Video Game) / int_a9cec1f1
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_a9cec1f1
 Sonic the Hedgehog CD (Video Game) / int_aa42f179
type
Shielded Core Boss
 Sonic the Hedgehog CD (Video Game) / int_aa42f179
comment
Shielded Core Boss: The bosses in this game generally take fewer hits to trash. They make up for this, however, by having better / more devious defenses than usual, or by only being possible to beat in a non-traditional manner.
 Sonic the Hedgehog CD (Video Game) / int_aa42f179
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1.0
 Sonic the Hedgehog CD (Video Game) / int_aa42f179
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_aa42f179
 Sonic the Hedgehog CD (Video Game) / int_abad35b4
type
Soundtrack Dissonance
 Sonic the Hedgehog CD (Video Game) / int_abad35b4
comment
Soundtrack Dissonance: If you except the final boss, the North American boss theme is ridiculously ominous for boss battles against a mini-mecha with bumpers for arms, a pinball machine and a bubble shield, especially in the Good Futures. Wacky Workbench's Futures also fall into this; its Good Future has more emphasis on work tools in the background despite the zone being turned into a toy land, while its Bad Future is accompanied with a disco-like theme in the North American release (the Japanese and European versions have something much more appropriately sinister for it). An interesting example regarding the Metal Sonic race in the Good Future of Stardust Speedway: in the Japanese and European versions, the soundtrack switches to the Bad Future music during the race, but in the North American version, the Good Future music continues to play. The 2011 version of the game changes this so that the Bad Future music always plays during the Good Future race, even with the North American soundtrack. If you are used to Japanese tracks, US Good and Bad Futures can be this, as the former ones are more subtle in their celebration and the latter are rather bittersweet, as they give the player the impression that they can still save the day.
 Sonic the Hedgehog CD (Video Game) / int_abad35b4
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1.0
 Sonic the Hedgehog CD (Video Game) / int_abad35b4
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_abad35b4
 Sonic the Hedgehog CD (Video Game) / int_ad1db87c
type
Oh, Crap!
 Sonic the Hedgehog CD (Video Game) / int_ad1db87c
comment
Oh, Crap!: During the Quartz Quadrant boss, Eggman will begin panicking when his pod starts to get destroyed from the friction of the conveyor belt. Once it's worn down enough, the doctor flees as the pod explodes.
 Sonic the Hedgehog CD (Video Game) / int_ad1db87c
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_ad1db87c
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_ad1db87c
 Sonic the Hedgehog CD (Video Game) / int_aee8ec77
type
Creepy Children Singing
 Sonic the Hedgehog CD (Video Game) / int_aee8ec77
comment
Creepy Children Singing: They appear in the Japanese version of the Palmtree Panic Bad Future theme, which is best described as the Evil Twin of the Palmtree Panic Present theme. It takes the cheering children from the original song and distorts them to the point of barely being recognizable.
 Sonic the Hedgehog CD (Video Game) / int_aee8ec77
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_aee8ec77
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_aee8ec77
 Sonic the Hedgehog CD (Video Game) / int_b0e18b32
type
Unique Enemy
 Sonic the Hedgehog CD (Video Game) / int_b0e18b32
comment
Unique Enemy: The Taga Taga enemy found in Tidal Tempest also appears in Palmtree Panic, where it jumps out of waterfalls like Chopper from Sonic the Hedgehog, but this version is rare enough that you won't meet it unless you explore.
 Sonic the Hedgehog CD (Video Game) / int_b0e18b32
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1.0
 Sonic the Hedgehog CD (Video Game) / int_b0e18b32
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b0e18b32
 Sonic the Hedgehog CD (Video Game) / int_b1ddb121
type
Remixed Level
 Sonic the Hedgehog CD (Video Game) / int_b1ddb121
comment
Remixed Level: Every Zone in the game has four versions of itself for each time period, including the two futures separately. Each of these four versions have minor changes to the layout, though the requirement to take alternate paths is rare due to the nature of this game's time traveling.
 Sonic the Hedgehog CD (Video Game) / int_b1ddb121
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_b1ddb121
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b1ddb121
 Sonic the Hedgehog CD (Video Game) / int_b1dde8fd
type
Loophole Abuse
 Sonic the Hedgehog CD (Video Game) / int_b1dde8fd
comment
Loophole Abuse: Despite having a ten minute limit per act, it's possible to spend far more time than that in any one level. A successful time warp will revert the stage timer back down to five minutes. If you've been playing for less than five minutes, the timer will be unaffected. Also, if you're in Debug Mode, the timer doesn't seem to work at all. Just don't go too far to the left. This is averted in the 2011 remaster, which is missing this feature.
 Sonic the Hedgehog CD (Video Game) / int_b1dde8fd
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-1.0
 Sonic the Hedgehog CD (Video Game) / int_b1dde8fd
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b1dde8fd
 Sonic the Hedgehog CD (Video Game) / int_b31c84f9
type
Evil Is Not Well-Lit
 Sonic the Hedgehog CD (Video Game) / int_b31c84f9
comment
Evil Is Not Well-Lit: All of the Bad Futures are much darker than any other time period, be it due to pollution darkening the sky, artificial light sources long having burned out, etc. They manage to pull this off even with Collision Chaos Bad Future, as while it's still pretty colorful, the sky is both dark red and permanently overcast.
 Sonic the Hedgehog CD (Video Game) / int_b31c84f9
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1.0
 Sonic the Hedgehog CD (Video Game) / int_b31c84f9
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b31c84f9
 Sonic the Hedgehog CD (Video Game) / int_b47d95be
type
No OSHA Compliance
 Sonic the Hedgehog CD (Video Game) / int_b47d95be
comment
No OSHA Compliance: Wacky Workbench, a factory where the ground floor bounces things high up into the air at random intervals (or constantly in the Futures). Quartz Quadrant wouldn't fit OSHA standards either with spikes everywhere. Metallic Madness is the most obvious example, being a massive, mazelike, and deadly level laden with buzzsaws, crushing pistons, and tons of different badniks... plus a bottomless pit section in Zone 3.
 Sonic the Hedgehog CD (Video Game) / int_b47d95be
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1.0
 Sonic the Hedgehog CD (Video Game) / int_b47d95be
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b47d95be
 Sonic the Hedgehog CD (Video Game) / int_b53077b3
type
Take That!
 Sonic the Hedgehog CD (Video Game) / int_b53077b3
comment
Take That!: The name of the first boss is the EGG-HVC-001. HVC-001 was the model number of Nintendo's own Famicom console: the HVC stands for "Home Video Computer". As a bonus stealth insult, the HVC-001 is the easiest boss in the entire game. Fighting it in the Good Future also colors it pink, and this is probably the only explanation for that.
 Sonic the Hedgehog CD (Video Game) / int_b53077b3
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1.0
 Sonic the Hedgehog CD (Video Game) / int_b53077b3
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b53077b3
 Sonic the Hedgehog CD (Video Game) / int_b6203862
type
Interquel
 Sonic the Hedgehog CD (Video Game) / int_b6203862
comment
Interquel: Sonic CD takes place between the original Sonic the Hedgehog and Sonic the Hedgehog 2. Originally, this was only indirectly implied by the game's designer, Yasushi Yamaguchi, but it was later reiterated as canon by the Sonic the Hedgehog Encyclo-speed-ia and Sonic Origins. This is why Tails (introduced in Sonic 2) only makes a hidden cameo appearance, and why Super Sonic doesn't appear — though that's more due to the main collectibles being Time Stones rather than Chaos Emeralds.
 Sonic the Hedgehog CD (Video Game) / int_b6203862
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1.0
 Sonic the Hedgehog CD (Video Game) / int_b6203862
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b6203862
 Sonic the Hedgehog CD (Video Game) / int_b62c0e6e
type
Airplane Arms
 Sonic the Hedgehog CD (Video Game) / int_b62c0e6e
comment
Airplane Arms: When Sonic reaches maximum running speed, he holds his arms out behind him. Additionally, the motion of his legs blurs into a distinctive Mobius strip shape.
 Sonic the Hedgehog CD (Video Game) / int_b62c0e6e
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_b62c0e6e
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b62c0e6e
 Sonic the Hedgehog CD (Video Game) / int_b8e3f20a
type
Demoted to Extra
 Sonic the Hedgehog CD (Video Game) / int_b8e3f20a
comment
Demoted to Extra: In the original version of the game, Tails only makes a couple of cameo appearances in the D.A. Garden and one of the hidden sound test images. In the remake, he's an unlockable character.
 Sonic the Hedgehog CD (Video Game) / int_b8e3f20a
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_b8e3f20a
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b8e3f20a
 Sonic the Hedgehog CD (Video Game) / int_b8f8b892
type
Promoted to Playable
 Sonic the Hedgehog CD (Video Game) / int_b8f8b892
comment
Promoted to Playable: Tails can be unlocked in the 2011 remake by beating the game once as Sonic. He actually makes the game easier due to his ability to fly and swim (taken from Sonic 3), which raises the question of why they didn't have him there from the start for inexperienced players. As a tradeoff for the easier difficulty, you can't earn achievements while using Tails. He's also playable in the Origins remake. Knuckles and Amy are playable in the Origins Plus update of the remake.
 Sonic the Hedgehog CD (Video Game) / int_b8f8b892
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_b8f8b892
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b8f8b892
 Sonic the Hedgehog CD (Video Game) / int_b99bed67
type
No-Nonsense Nemesis
 Sonic the Hedgehog CD (Video Game) / int_b99bed67
comment
No-Nonsense Nemesis: When the Egg Razer in Wacky Workbench is destroyed, the screen is covered by the steam it leaks. When it clears up, Sonic appears to have just attempted to crush Dr. Eggman inside the machine, but the villain escaped by a hair. In the bad ending, Sonic also attempts to blow him out of the sky to keep him from escaping with the Time Stones, but it doesn't work either.
 Sonic the Hedgehog CD (Video Game) / int_b99bed67
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_b99bed67
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_b99bed67
 Sonic the Hedgehog CD (Video Game) / int_bb225804
type
Indecipherable Lyrics
 Sonic the Hedgehog CD (Video Game) / int_bb225804
comment
Indecipherable Lyrics: The JP Metallic Madness Present theme has a verse which is pretty much unintelligible. The only parts that are understandable are "Get yourself ready for a fight" and what sounds like "Yo, we're outta here!" Also from the JP soundtrack, the boss music can be hard to understand aside from the "Work that sucker to death! Come on now! Work that sucker to death!" chorus and the spoken part that describes the foregone conclusion of the boss himself not standing a chance.
 Sonic the Hedgehog CD (Video Game) / int_bb225804
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_bb225804
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_bb225804
 Sonic the Hedgehog CD (Video Game) / int_bb48f8ba
type
Timed Mission
 Sonic the Hedgehog CD (Video Game) / int_bb48f8ba
comment
If you execute a time warp while the timer is at more than 5 minutes out of 10, the timer will reset back to the 5'00"00 mark. This feature is missing in the 2011 remaster, however.
 Sonic the Hedgehog CD (Video Game) / int_bb48f8ba
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_bb48f8ba
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_bb48f8ba
 Sonic the Hedgehog CD (Video Game) / int_bcd27e37
type
Improbable Aiming Skills
 Sonic the Hedgehog CD (Video Game) / int_bcd27e37
comment
Improbable Aiming Skills: During the bad ending, just look at the trajectory that Sonic's rock makes as he throws it at Eggman.
 Sonic the Hedgehog CD (Video Game) / int_bcd27e37
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_bcd27e37
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_bcd27e37
 Sonic the Hedgehog CD (Video Game) / int_be009bbc
type
Alliterative Name
 Sonic the Hedgehog CD (Video Game) / int_be009bbc
comment
Alliterative Name: The name of every Round features two words that both begin with the same letter: Palmtree Panic, Collision Chaos, Tidal Tempest, and so on... The final boss music has the alliterative name of "Final Fever" in both soundstracks, with the Japanese version having a unique track and the American version having a remix of the regular boss theme due to time constraints preventing the composition of a unique track for the latter version.
 Sonic the Hedgehog CD (Video Game) / int_be009bbc
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_be009bbc
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_be009bbc
 Sonic the Hedgehog CD (Video Game) / int_be314fdb
type
Pinball Zone
 Sonic the Hedgehog CD (Video Game) / int_be314fdb
comment
Pinball Zone: Collision Chaos, combined with some elements of Green Hill Zone and The Lost Woods. This also goes for its boss, the Egg Tilter.
 Sonic the Hedgehog CD (Video Game) / int_be314fdb
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_be314fdb
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_be314fdb
 Sonic the Hedgehog CD (Video Game) / int_beccd0d7
type
Cyberpunk Is Techno
 Sonic the Hedgehog CD (Video Game) / int_beccd0d7
comment
Cyberpunk Is Techno: The JP soundtrack gives the present time period of the technologically advanced Wacky Workbench a fast-paced and chaotic techno tune. The US soundtrack gives all time zones of of Metallic Madness a harder-driving techno rock sound.
 Sonic the Hedgehog CD (Video Game) / int_beccd0d7
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_beccd0d7
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_beccd0d7
 Sonic the Hedgehog CD (Video Game) / int_bf020789
type
Developer's Room
 Sonic the Hedgehog CD (Video Game) / int_bf020789
comment
Developer's Room: One of the cheat codes brings up a screen featuring the developers' time attack records.
 Sonic the Hedgehog CD (Video Game) / int_bf020789
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_bf020789
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_bf020789
 Sonic the Hedgehog CD (Video Game) / int_bf110089
type
Break Them by Talking
 Sonic the Hedgehog CD (Video Game) / int_bf110089
comment
Break Them by Talking: The Japanese soundtrack's version of Metallic Madness' Bad Future attempts to do this to the player by featuring a robotic voice saying some demotivational words:
 Sonic the Hedgehog CD (Video Game) / int_bf110089
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_bf110089
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_bf110089
 Sonic the Hedgehog CD (Video Game) / int_c3c18143
type
Hope Spot
 Sonic the Hedgehog CD (Video Game) / int_c3c18143
comment
If you are used to Japanese tracks, US Good and Bad Futures can be this, as the former ones are more subtle in their celebration and the latter are rather bittersweet, as they give the player the impression that they can still save the day.
 Sonic the Hedgehog CD (Video Game) / int_c3c18143
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_c3c18143
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_c3c18143
 Sonic the Hedgehog CD (Video Game) / int_c3eb0946
type
Stepping Stones in the Sky
 Sonic the Hedgehog CD (Video Game) / int_c3eb0946
comment
Stepping Stones in the Sky: In the intro movie, Sonic uses the falling debris of the Little Planet as platforms to reach it. Palmtree Panic has small hidden platforms in the present hanging in the sky for no apparent reason. In the past, they are visible.
 Sonic the Hedgehog CD (Video Game) / int_c3eb0946
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_c3eb0946
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_c3eb0946
 Sonic the Hedgehog CD (Video Game) / int_c4b8e2ae
type
One-Woman Wail
 Sonic the Hedgehog CD (Video Game) / int_c4b8e2ae
comment
The Japanese final boss music has a woman singing in the background; there are no lyrics, so it's essentially a One-Woman Wail with instruments.
 Sonic the Hedgehog CD (Video Game) / int_c4b8e2ae
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_c4b8e2ae
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_c4b8e2ae
 Sonic the Hedgehog CD (Video Game) / int_c5b47b36
type
Offscreen Moment of Awesome
 Sonic the Hedgehog CD (Video Game) / int_c5b47b36
comment
Offscreen Moment of Awesome: The final cutscene implies that Amy managed to get through Metallic Madness on her own just to catch up with Sonic.
 Sonic the Hedgehog CD (Video Game) / int_c5b47b36
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_c5b47b36
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_c5b47b36
 Sonic the Hedgehog CD (Video Game) / int_c75df49a
type
Shout-Out
 Sonic the Hedgehog CD (Video Game) / int_c75df49a
comment
Shout-Out: One of the Easter Egg posters is a parody of Batman (1989). DJ Eggman wears a Jamaican headpiece in the "The Fastest DJ 'MC Sonic'" Easter egg and the 2011 remake's Soundtrack Select screen. The same Easter egg reads "Can I kick it?", a reference to the song of the same name by A Tribe Called Quest. Exclusive to the 2011 remake: The achievement for traveling through time at least once is "88 Miles per Hour". The achievement for finishing any level in the Good Future is "Paradise Found". The "King of the Rings" achievement is a reference to an old obscure Sonic song.
 Sonic the Hedgehog CD (Video Game) / int_c75df49a
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_c75df49a
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1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_c75df49a
 Sonic the Hedgehog CD (Video Game) / int_c92bd7ed
type
Spiders Are Scary
 Sonic the Hedgehog CD (Video Game) / int_c92bd7ed
comment
Spiders Are Scary: The Kumo-Kumo enemy is a robotic spider that inhabits Quartz Quadrant Zone. Kumo-Kumo fires sticky webs at the player, slowing them down for a few seconds.
 Sonic the Hedgehog CD (Video Game) / int_c92bd7ed
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_c92bd7ed
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_c92bd7ed
 Sonic the Hedgehog CD (Video Game) / int_ca3ef034
type
Evil Knockoff
 Sonic the Hedgehog CD (Video Game) / int_ca3ef034
comment
Evil Knockoff: Metal Sonic, a robotic doppelgänger of Sonic himself, makes his debut here.
 Sonic the Hedgehog CD (Video Game) / int_ca3ef034
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_ca3ef034
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_ca3ef034
 Sonic the Hedgehog CD (Video Game) / int_ccbd82d3
type
Gotta Kill Them All
 Sonic the Hedgehog CD (Video Game) / int_ccbd82d3
comment
Gotta Kill Them All: You can get the good ending without beating any Special Stages by going to the Past in every Zone and destroying a unique machine, which also destroys all robots in the past. Doing so also lets you go to the Good Future in the same level. Additionally, the Special Stages themselves require you to kill all the flying saucers in the stage to get the Time Stone.
 Sonic the Hedgehog CD (Video Game) / int_ccbd82d3
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_ccbd82d3
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_ccbd82d3
 Sonic the Hedgehog CD (Video Game) / int_cded37c7
type
Wheel o' Feet
 Sonic the Hedgehog CD (Video Game) / int_cded37c7
comment
Wheel o' Feet: As usual for the classic games, Sonic's feet fit this trope. When performing the Super Peel-Out, however, Sonic goes up to eleven, causing his feet to form a Mobius strip.
 Sonic the Hedgehog CD (Video Game) / int_cded37c7
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_cded37c7
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_cded37c7
 Sonic the Hedgehog CD (Video Game) / int_ce1b6f32
type
Temple of Doom
 Sonic the Hedgehog CD (Video Game) / int_ce1b6f32
comment
Temple of Doom: Stardust Speedway in the past is a Roman/Greek style city.
 Sonic the Hedgehog CD (Video Game) / int_ce1b6f32
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_ce1b6f32
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_ce1b6f32
 Sonic the Hedgehog CD (Video Game) / int_ce6555f0
type
Lighter and Softer
 Sonic the Hedgehog CD (Video Game) / int_ce6555f0
comment
Lighter and Softer: The North American track for Wacky Workbench Bad Future over the Japanese/European track. This definitely seems to be averted for Collision Chaos and the boss and game over themes, however.
 Sonic the Hedgehog CD (Video Game) / int_ce6555f0
featureApplicability
-1.0
 Sonic the Hedgehog CD (Video Game) / int_ce6555f0
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_ce6555f0
 Sonic the Hedgehog CD (Video Game) / int_ce9a1c4a
type
Underground Level
 Sonic the Hedgehog CD (Video Game) / int_ce9a1c4a
comment
Underground Level: Tidal Tempest is underground and under water in the present. Quartz Quadrant happens in a cave with conveyor belts: while the Past is a simple cave, the Present is a Crystal Landscape, the Good Future is an Underground City and the Bad Future is another Eggman factory.
 Sonic the Hedgehog CD (Video Game) / int_ce9a1c4a
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_ce9a1c4a
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_ce9a1c4a
 Sonic the Hedgehog CD (Video Game) / int_cea7fc1
type
Bottomless Pits
 Sonic the Hedgehog CD (Video Game) / int_cea7fc1
comment
Bottomless Pits: Unlike just about every other Sonic game ever, Sonic CD is almost devoid of bottomless pits. Almost: Changing time periods in an unexpected place in Palmtree Panic will sometimes cause you to de-warp in the middle of scenery. Usually, a little movement and jumping will cause you to glitch through the walls back into the stage proper, as the programmers clearly expected this to happen. On rare occasions, however, it will drop you below the stage, killing you. One of the obstacles in Metallic Madness Zone 3 is a large bottomless pit with some tricky platforming above it. There's one in the Present stage of Stardust Speedway Zone 1 right before the end of the level. However, it's almost impossible to get down there and even if you do, there is still a way back up. You have to be actively trying to kill yourself to fall into that pit. There's also one in the Past of Stardust Speedway Zone 2. Like the example mentioned above, there is a short wall and spring blocking the drop, meaning you have to try to fall down there.
 Sonic the Hedgehog CD (Video Game) / int_cea7fc1
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_cea7fc1
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_cea7fc1
 Sonic the Hedgehog CD (Video Game) / int_d058677e
type
Amusement Park
 Sonic the Hedgehog CD (Video Game) / int_d058677e
comment
Amusement Park: Stardust Speedway becomes a massive amusement park in the Good Future.
 Sonic the Hedgehog CD (Video Game) / int_d058677e
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d058677e
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d058677e
 Sonic the Hedgehog CD (Video Game) / int_d0db0e91
type
Oxygenated Underwater Bubbles
 Sonic the Hedgehog CD (Video Game) / int_d0db0e91
comment
Oxygenated Underwater Bubbles: Present throughout Tidal Tempest. Eggman uses them as a shield in that level's boss that you can breathe through and attack him for a One-Hit KO.
 Sonic the Hedgehog CD (Video Game) / int_d0db0e91
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d0db0e91
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d0db0e91
 Sonic the Hedgehog CD (Video Game) / int_d15c1086
type
Boss-Only Level
 Sonic the Hedgehog CD (Video Game) / int_d15c1086
comment
Boss-Only Level: The third zone of each round, much like the 8-bit Sonic games, only features a short platforming section before the boss fight. Collision Chaos and Stardust Speedway are close to embodying this completely, as most of the former is a pinball arena with no enemies to speak of, and the latter focuses on a race against Metal Sonic.
 Sonic the Hedgehog CD (Video Game) / int_d15c1086
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d15c1086
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d15c1086
 Sonic the Hedgehog CD (Video Game) / int_d24ed873
type
Developer's Foresight
 Sonic the Hedgehog CD (Video Game) / int_d24ed873
comment
Developer's Foresight: To ensure that players can't sneak in an extra hit point that breaks the game's scripting, Eggman is specifically coded to be invulnerable after the fourth hit he takes in Tidal Tempest until all of the bubbles he summons finish spawning. Even if by some miracle you do hit him again despite his massive bursts of speed, it won't affect him. The final boss, the Egg Spinner, is likewise coded to be invulnerable during specific periods (such as when he's out of the player's reach) so a player can't use an exploit or cheat (i.e. Debug mode) to bulldoze through him right away.
 Sonic the Hedgehog CD (Video Game) / int_d24ed873
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d24ed873
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d24ed873
 Sonic the Hedgehog CD (Video Game) / int_d3beb0de
type
Precocious Crush
 Sonic the Hedgehog CD (Video Game) / int_d3beb0de
comment
Precocious Crush: A lot of fans forget that Amy was introduced as eight years old — the same age as Tails in Sonic the Hedgehog 2 — even though she and Sonic were on dating terms in her manga of origin. She was aged up to 12 years old in Sonic Adventure, though Sonic is 15 in that game.
 Sonic the Hedgehog CD (Video Game) / int_d3beb0de
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d3beb0de
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d3beb0de
 Sonic the Hedgehog CD (Video Game) / int_d50f42d
type
Skyscraper City
 Sonic the Hedgehog CD (Video Game) / int_d50f42d
comment
Skyscraper City: Stardust Speedway in the Present. A slightly imposing looking one serves as the backdrop for Special Stage 5 too.
 Sonic the Hedgehog CD (Video Game) / int_d50f42d
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d50f42d
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d50f42d
 Sonic the Hedgehog CD (Video Game) / int_d5a674ff
type
Defiant Stone Throw
 Sonic the Hedgehog CD (Video Game) / int_d5a674ff
comment
Defiant Stone Throw: In the bad ending, Eggman is forced to flee his exploding fortress with a Time Stone in hand. Sonic performs an epic, Spin Dash-boosted rock toss at him as he flies away, blowing him up entirely. The only problem is, Eggman simply retcons time so that he never lost.
 Sonic the Hedgehog CD (Video Game) / int_d5a674ff
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d5a674ff
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d5a674ff
 Sonic the Hedgehog CD (Video Game) / int_d6f284a3
type
Anti-Frustration Features
 Sonic the Hedgehog CD (Video Game) / int_d6f284a3
comment
Anti-Frustration Features: While time travel is normally pretty difficult, due to having to run at full speed for around 30 seconds without stopping or running into anything, there are a few locations with two springs facing opposite directions, allowing Sonic to just bounce back and forth until the time travel activates. There are a few other level gimmicks that similarly allow easy time travel, such as these weird spinning things in the Wacky Workbench zone. All you have to do is hit a time travel post, then jump inside. Past signs tend to also be located close by these springs or gimmicks to help make the time travel easier. If you execute a time warp while the timer is at more than 5 minutes out of 10, the timer will reset back to the 5'00"00 mark. This feature is missing in the 2011 remaster, however. Destroying the robot teleporters in the past will automatically destroy all of the Badniks in that zone.note Although any surviving Badniks will still be there if you return to the present. Charging up a Spin Dash or Super Peel-Out will move the screen ahead of Sonic to give him a clear view of what's up ahead. If a player fouls up the time travel sidequest in a zone or runs into a rare Unwinnable situation (i.e. getting stuck in scenery from time travel, the accidentally unbeatable Past Metallic Madness in the game's original release), pausing the game and pressing any button will restart the current zone, albeit at the cost of an extra life. If Sonic is still above solid ground when he tries to jump off the screen if you leave him idle for three minutes, you can resume playing as him without getting an instant Game Over. Made more obvious in the mobile version of the 2011 remake, which had the buttons disappear as soon as Sonic jumps. Due to the sheer complexity of the time travel sidequest, the game has a save feature that autosaves after completing a world. If the timer is running low in a Special Stage, the game will automatically spawn an extra UFO that adds 30 extra seconds to the timer. And if you destroy it, but time runs low again, it will respawn and let you destroy it again for another time boost, meaning you can theoretically stay in a Special Stage indefinitely as long as you keep destroying the time bonus UFO. As an extra mercy, you don't have to destroy this extra UFO to win the Time Stone either. Getting all seven Time Stones automatically grants you a Good Future in each Zone and the Good Ending, meaning a player doesn't have to waste extra time trying to find the remaining robot teleporters, which will already be destroyed. In the Sonic Origins version of the game, restarting a level outside of Act 3 will have Sonic or Tails remain in their current time zone, which is useful if either miss any machines in the past or need another go at time travelling if the time posts have already been used. Any already-destroyed machines will also remain destroyed if you do this. In Anniversary Mode of the same game, the player can also use coins to retry a Special Stage if they fail on certain attempts.
 Sonic the Hedgehog CD (Video Game) / int_d6f284a3
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d6f284a3
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d6f284a3
 Sonic the Hedgehog CD (Video Game) / int_d94a0b6
type
Unlockable Content
 Sonic the Hedgehog CD (Video Game) / int_d94a0b6
comment
Unlockable Content: The Special Stages in Time Attack, the D.A. Garden (a Sound Test that lets you listen to all of the CD-ROM tracks, plus an image of the Little Planet) and the Visual Mode (the Video Gallery).
 Sonic the Hedgehog CD (Video Game) / int_d94a0b6
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d94a0b6
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d94a0b6
 Sonic the Hedgehog CD (Video Game) / int_d9c4365c
type
Reset Button
 Sonic the Hedgehog CD (Video Game) / int_d9c4365c
comment
Reset Button: In the bad ending, Eggman uses the Time Stone(s) you didn't collect to revert everything you did in the game.
 Sonic the Hedgehog CD (Video Game) / int_d9c4365c
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d9c4365c
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d9c4365c
 Sonic the Hedgehog CD (Video Game) / int_d9cf40fa
type
Screw This, I'm Outta Here
 Sonic the Hedgehog CD (Video Game) / int_d9cf40fa
comment
Screw This, I'm Outta Here: If the player doesn't move Sonic for three minutes, Sonic will say "I'm outta here" and ditch the player by jumping off the stage, resulting in a Non-Standard Game Over.
 Sonic the Hedgehog CD (Video Game) / int_d9cf40fa
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_d9cf40fa
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_d9cf40fa
 Sonic the Hedgehog CD (Video Game) / int_da48b2c6
type
Science Is Good
 Sonic the Hedgehog CD (Video Game) / int_da48b2c6
comment
Science Is Good: The Good Futures utilize science and technology for purposes beneficial to the environment, having tech coexisting with nature.
 Sonic the Hedgehog CD (Video Game) / int_da48b2c6
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_da48b2c6
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_da48b2c6
 Sonic the Hedgehog CD (Video Game) / int_dae3999d
type
Action Bomb
 Sonic the Hedgehog CD (Video Game) / int_dae3999d
comment
Action Bomb: Bigbom, a larger version of the Bomb robot from the first game.
 Sonic the Hedgehog CD (Video Game) / int_dae3999d
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_dae3999d
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_dae3999d
 Sonic the Hedgehog CD (Video Game) / int_db148980
type
Mook Promotion
 Sonic the Hedgehog CD (Video Game) / int_db148980
comment
Mook Promotion: The Hotaru Badnik from Stardust Speedway later shows up as the mid-boss before the final boss.
 Sonic the Hedgehog CD (Video Game) / int_db148980
featureApplicability
1.0
 Sonic the Hedgehog CD (Video Game) / int_db148980
featureConfidence
1.0
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sonic the Hedgehog CD (Video Game) / int_db148980
 Sonic the Hedgehog CD (Video Game) / int_dba4ae4f
type
Arc Welding
 Sonic the Hedgehog CD (Video Game) / int_dba4ae4f
comment
Arc Welding: In addition to having been made as a direct sequel to Sonic the Hedgehog, one officially licensed source from 1994 states that Sonic CD takes place between the events of Sonic 1 and 2. Though the official stance on this was uncertain for some time, Sonic Origins also places it between the first and second game.note It's sometimes believed that this was retconned to somewhere between Sonic 3 & Knuckles and Sonic the Hedgehog 4 instead, but this is not true; similarly, designer Yasushi Yamaguchi's statements in a 1993 interview give the impression that the game is meant to chronologically take place between Sonic 1 and 2 after all, but his exact phrasing is vague.
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Bad Future
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Bad Future: The Trope Namer. If you complete a level without fixing Eggman's screwing with the past, the result will be a Techno Dystopia with broken and rusted machinery everywhere.
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Updated Re-release
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Updated Re-release: The initial PC version had a second version that used DirectX 3 instead of the Intel-developed DINO libraries, which improved the PC version's performance considerably for the time, and had the extended versions of the FMV sequences (albeit in grainy quality) compared to the Sega CD version. The second version of the PC port would later serve as the basis of the Gem Collection port of the game, which featured improved high-color versions of the game's FMVs and the frame-rate during Special Stages was bumped up to 30 FPS, but came with some downsides such as missing or broken effects, lower-quality sound effects, the Debug Mode does not work properly. The 2011 Retro Engine remaster features native widescreen resolution, runs at 60 FPS across the board (even during the Special Stages), has the highest quality FMVs over prior releases, added the ability to use Sonic the Hedgehog 2's Spin Dash mechanics while keeping the original as an option, revamped the game's save feature, has both the North American and Japanese soundtracks, and added Tails as a unlockable playable character. This version is the one that serves as the basis for the version in Origins (and the Plus DLC), with Origins making a few new changes from the 2011 port, most notably adding the Drop Dash to Sonic's moveset, Tails being playable from the start, and the Origins Plus DLC adding in Knuckles and Amy as playable characters (also adding in a few Knuckles-specific routes to certain Zones).
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Toy Time
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Toy Time: Wacky Workbench's Good Future is a brightly colored toy factory, in contrast to the bleak, broken-down warehouse seen in the Bad Future.
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Underwater Base
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Underwater Base: Tidal Tempest in the Bad Future is a bleak underwater area. Special Stage 3 also has one serve as background scenery.
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Word Salad Lyrics
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Word Salad Lyrics: In contrast to "Sonic Boom", which is a clear Bragging Theme Tune about how awesome Sonic is, most of the lyrics to "Sonic-You Can Do Anything" and "Cosmic Eternity" make no sense whatsoever, with the latter sounding more like an abstract, high energy workout tune than a motivational hero song.note "Cosmic Eternity" starts to make more sense once you get the context- it's a motivational song telling the listener to believe in him/herself, no matter the situation. It ties in to the courage word salad found on the box art. "Sonic- You Can Do Anything" is, however, 75% word salad lyrics, but the chorus again ties into the theme of courage/believing in oneself. The entire thing, in Kefka's words, sounds more like a self-help book.
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Dub Name Change
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Dub Name Change: The North American Sega CD version renames Amy Rose to Princess Sally. All subsequent games and re-releases of Sonic CD reverted her name back to Amy. Also, the name change appears in the North American manual only; even the English storyline in the European manual still uses the name "Amy".
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Hailfire Peaks
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comment
Hailfire Peaks: This trope is common in this game, though it often only applies to the visual design instead of the gameplay: Palmtree Panic is this game's Green Hill Zone, but has Eternal Engine elements in both the Good and Bad Futures. Collision Chaos is Green Hill Zone or The Lost Woods combined with Pinball Zone. Tidal Tempest is Underwater Ruins in the Present, Underground Level and Under the Sea in the Past, Underwater Base and Techno Wreckage in the Bad Future, and more of the same in the Good Future, only it's more of an aquarium. Quartz Quadrant is Underground Level, with elements of Eternal Engine aside from the Past, which is instead Bubblegloop Swamp. The Good Future seems to feature an Underground City in the background. Wacky Workbench is full time Eternal Engine, but combined with Toy Time in the Good Future and Construction Zone Calamity in the Past. Stardust Speedway is mostly Skyscraper City, but features an Amusement Park in the Good Future and could be implied to be Wretched Hive or City Noir in the Bad Future. Metallic Madness is almost entirely Eternal Engine, but with a few Green Hill Zone elements such as green grass in the Good Future. Even in the Good Future, it's still The Very Definitely Final Dungeon. All the Bad Future stages feature the current trope combined with Bleak Level.
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Fake Difficulty
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Fake Difficulty: A lot of the difficulty in the game comes from the fact that the more exploration-based level design, which has lots of cheap obstacle and enemy placement, simply isn't made with Sonic's speed or sensitive controls in mind (or barring that was deliberately made to work against his abilities) and thus making it very easy to accidentally slam directly into an enemy or obstacle if you try to maintain a consistent speed more often than not - Trial-and-Error Gameplay is in full effect here. Metallic Madness is particularly nasty in this regard, with some enemies that are placed in near-unavoidable spots or edgeguarding a path you need to traverse. Not to mention you only have a very limited amount of chances to time travel, and it's very easy to bungle it if you so much as hit a road bump, forcing a player to reset or quit if they're aiming for the good ending. On top of that, the teleporters in the past tend to be well hidden—the one in Wacky Workbench Zone 1 is especially aggravating, as it requires a logic-defying way of reaching it. The original version of the game even had a flat-out unwinnable situation in Past Metallic Madness if you used up all of the Future signs. This was fixed in the 2011 remake. The Special Stages have this in the form of the UFOs' bizarre hit detection (their hitbox is smaller than their sprites) combined with the high speed jumping and confusing perspective.
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Zonk
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Zonk: Though Bad Futures being interesting levels is a consolation, Future signposts largely exist to distract and roadblock the player from their true objective of fixing the Past. Especially later, accidentally going to a Bad Future at any point in a level can result in being unable to get back to a point where the Past objectives (or even Past Signposts at all) can be reached. As the game goes on, they start being placed in more and more devilish locations, such as just before or after a segment in which is it difficult to stop running, or right after spinning a Past signpost (which are used up after being hit), punishing careless or unobservant players. However, you can simply ignore all of this if you are able to get all the Time Stones though, which automatically triggers the Good Future for the rest of the game.
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Insistent Terminology
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Insistent Terminology: Whoever is behind the terminology in the series decided that what most Sonic games call an Act, this game would call a Zone. What are usually Zones in Sonic games are called "Rounds" here. "Act" is nowhere to be found anywhere.
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Advancing Wall of Doom
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comment
Advancing Wall of Doom: During the Metal Sonic boss race in Stardust Speedway Zone 3, Eggman will chase after Sonic shooting a laser from the bottom of his pod. If he hits Sonic, or if Sonic loses the race, it's an instant kill. The pod itself is also invincible.
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Green Hill Zone
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Collision Chaos is Green Hill Zone or The Lost Woods combined with Pinball Zone.
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Oddball in the Series
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comment
Oddball in the Series: This game feels a little unusual compared to other main 16-bit Sonic games, even disregarding the time travel gimmick and the use of CD-quality audio: Sonic's jump sound is significantly different. There is no sound effect for when Sonic rolls into a ball. While there is a Spin Dash available, it doesn't use the typical Spin Dash animation; Sonic just goes into his rolling animation. This can be explained by the fact that this game's development began before Sonic 2's, so they were still getting the kinks worked out. In addition to the Spin Dash, there is a Super Peel-Out move that grants a similar boost but without sending Sonic into a roll. What other games in the series call "Zones", this game calls "Rounds". "Zone" in this game is used to refer to what other games call an "Act". The time counter is in the format of (minutes) ' (seconds) " (hundredths of a second), rather than (minutes) : (seconds) like in the Genesis games. Although this format would later be reprised in Sonic Mania. Special Stages reward Time Stones rather than the traditional Chaos Emeralds. Said Time Stones are not required for the Golden Ending. Destroying all the robot transporters also works. The speed shoes item, rather than speeding up the music, has its own theme.note This is likely because speeding up CD audio and having it not sound like a mess was not possible with early '90s consumer hardware. Much of the soundtrack is completely different between regions, whereas in other 16-bit Sonic games the most changes made to one game's soundtrack was replacing a few tracks in the Windows port of Sonic 3. The camera in this game moves ahead to show the level ahead of Sonic, while the other games had Sonic centered at all times. Most of the bosses take a few hits to defeat, unlike the standard eight hits for bosses in other Sonic games. Even in the last fight in Metallic Madness, Eggman has only 4 HP. The familiar Sonic drowning music is absent in this game; the regular level music continues playing as the drowning timer ticks down, while an urgent bubbly sound plays repeatedly.
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Tagline
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Tagline: The page quote.
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Suspiciously Similar Substitute
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comment
Suspiciously Similar Substitute: According to Naoto Ohshima, most levels, with the exceptions of Quartz Quadrant and Wacky Workbench, were made as more surreal versions of the original Sonic the Hedgehog levels. Even the level theme order is the same. Sometimes, the similarities are subtle, sometimes not: Palmtree Panic is obviously inspired by the lush visuals of Green Hill. The Tamabboh Badnik looks like a Moto Bug and behaves like a Crabmeat. Collision Chaos has a Spring Yard at the end of both Zones 1 and 2. The second zone also has two goals, just like the Act 2 of its original counterpart. Tidal Tempest's graphics resemble Labyrinth's. The water current gimmick, which sends Sonic spinning underwater is used in the second zone. Stardust Speedway shares its level theme and position with Star Light as the penultimate level. It plays rather differently, though, besides being fast-paced. Metallic Madness' spinning, disappearing and moving platforms and doors are all from Scrap Brain. There's also a Giant Mook version of the Bomb badnik called Bigbom and each Zone has a unique background, just like Scrap Brain. A scrapped zone, Dubious Depths, likely would have stood in for Marble Zone — it went in between Palmtree Panic and Collision Chaos, and apparently had a similar marble ruins theme. However, the concept of a half-underground level has been kept with Quartz Quadrant. Quartz Quadrant and Wacky Workbench strongly resemble Hidden Palace Zone and Cyber City Zone, respectively. These levels were designed in the early stages of Sonic 2's development. However, they didn't make it into the final version (although elements from them did). It's quite possible that this was a conscious move, as Sonic 2's developers had to cut several levels due to a tight deadline. Kama-Kama/Robot Mantis, a Badnik in Collision Chaos, is based on Kama Killer/Slicer from Sonic 2, but with linear instead of homing projectiles. The Time Stones clearly fill in for the Chaos Emeralds.
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Science Is Bad
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Science Is Bad: The Bad Futures, with all the broken machinery throughout them. Even Eggman's Mecha-Mooks and his own base are broken and rusted with neglected ruin.
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Anti Idling
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comment
Anti Idling: If Sonic is left idle for three minutes, he declares "I'm outta here!" and jumps off the screen, causing an immediate game over regardless of remaining lives.
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Robotic Psychopath
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Robotic Psychopath: Metal Sonic enjoys torturing and killing animals. He was designed that way.
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Cyberpunk
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Cyberpunk: As in the first game, Sonic is a Nature Hero fighting against an Evil Genius who is systematically turning the world's inhabitants into robots. The cyberpunk elements are actually expanded in this game, with nearly every zone demonstrating that Little Planet is full of advanced technology. Notably, Sonic isn't there to destroy the technology: he's there to prevent Eggman's Assimilation Plot.
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Sequence Breaking
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Also in the remake, Tails, as a tradeoff for his flying skills, cannot be used to unlock achievements/trophies, as well. Furthermore, during Wacky Workbench's Egg Razer boss, his flight time period gets shortened significantly, preventing you from Sequence Breaking the boss by going further ahead of Eggman. This also applies to the start and end of the Metal Sonic race in Stardust Speedway.
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Artistic License – Physics
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Palmtree Panic has small hidden platforms in the present hanging in the sky for no apparent reason. In the past, they are visible.
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Canon Immigrant
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Canon Immigrant: Amynote brunette and sans Rose first appeared in an April 1992 Shogakukan manga.
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Impact Silhouette
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comment
Impact Silhouette: In Palmtree Panic Zone 1 Present and Past, if Sonic enters a tunnel in the middle of the level, he will emerge by comically smashing through the terrain, leaving his silhouette.
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Ant Assault
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comment
Ant Assault: Antons are one-wheeled mass-produced Badniks modelled after ants who tend to serve as basic enemies, driving back and forth and dealing Collision Damage if Sonic bumps into them.
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Bubble Shield
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Bubble Shield: Eggman surrounds himself with air bubbles during the boss fight in Tidal Tempest. He will go down in one hit once there is a opening.
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Sonic the Hedgehog CD (Video Game)

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hasFeature
Cut-and-Paste Translation / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Cut Song / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Cutting Off the Branches / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Debug Room / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Didn't Need Those Anyway! / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Digital Destruction / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Domed Hometown / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Dreadful Dragonfly / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Dual-World Gameplay / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Dub-Induced Plotline Change / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Dynamic Loading / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Easy-Mode Mockery / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Ecocidal Antagonist / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Electronic Speech Impediment / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Eternal Engine / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Evil Knockoff / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Fan-Preferred Cut Content / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Finger Wag / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Foreign Language Theme / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Foreign Re-Score / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Freaky Electronic Music / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Gaia's Lament / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
"Get Back Here!" Boss / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Glitch Entity / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Golden Ending / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Green Aesop / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Green Hill Zone / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Guilt-Based Gaming / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Harmless Freezing / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
High-Speed Battle / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Impact Silhouette / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Inconveniently-Placed Conveyor Belt / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Interquel / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
It's a Wonderful Failure / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Japanese Video Games / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Just Here for Godzilla / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Last Note Nightmare / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Level in Boss Clothing / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Malevolent Mugshot / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Man Versus Machine / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Marth Debuted in "Smash Bros." / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Mini-Boss / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Mirror Boss / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Mirror World / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Moth Menace / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Musical Nod / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
New Jack Swing / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Nitro Boost / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
No-Damage Run / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Non-Linear Sequel / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Non-Standard Game Over / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Orbiting Particle Shield / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Orphaned Reference / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Palmtree Panic / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Pinball Zone / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Platform Battle / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Plot Coupon / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Point of No Return / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Polished Port / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Puzzle Boss / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Rearrange the Song / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Recycled Set / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Refrain from Assuming / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Remixed Level / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Robot Me / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sampled Up / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sampling / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
San Dimas Time / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Scapegoat Creator / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Scary Scorpions / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Secret Level / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sheathe Your Sword / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Shrink Ray / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sky Face / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Skyscraper City / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Slaying Mantis / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sliding Scale of Gameplay and Story Integration / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sliding Scale of Shiny Versus Gritty / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Smashing Hallway Traps of Doom / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Solar Punk / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sound Test / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Spider-Sense / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Spiders Are Scary / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Spoken Word in Music / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Springs, Springs Everywhere / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Stalked by the Bell / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Stationary Boss / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Stepping Stones in the Sky / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Stopped Numbering Sequels / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Sudden Name Change / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Super Title 64 Advance / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Tech-Demo Game / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
That One Achievement / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
The Very Definitely Final Dungeon / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Time Travel Tales / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Toy Time / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Tradesnarkâ„¢ / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Under the Sea / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Underground Level / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Underwater Boss Battle / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Underwater Ruins / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Updated Re-release / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Video Game Remake / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Video Games of 1990–1994 / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Violation of Common Sense / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Wall Run / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Warm-Up Boss / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
What the Hell, Player? / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
Word Salad Lyrics / int_11e6bf74
 Sonic the Hedgehog CD (Video Game)
hasFeature
X-Ray Sparks / int_11e6bf74
 CashCash
seeAlso
Sonic the Hedgehog CD (Video Game)
 SonicTheHedgehogCd
sameAs
Sonic the Hedgehog CD (Video Game)