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Sonic the Hedgehog CD

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For the 2011 remake, see Sonic the Hedgehog CD (2011).

Scd titlescreen.png

Fast Facts on Sonic the Hedgehog CD
Icon
Publisher: Sega
Developer: Sonic Team, H.I.C.
Producer: Minoru Kanari, Makoto Oshitani
Director: Naoto Oshima
System(s): Sega Mega-CD, Windows PC
Genre: Action
Release Date RRP Code
Sega CD/Mega CD JP 1993-09-23 ¥8,800 G-6021
Sega CD/Mega CD EU 1993-10  ? 4407
Sega CD/Mega CD US 1993-11-19  ? 4407
PC JP 1996-08-09 ¥7,800 (¥8,190) HCJ-0104
PC US 1996-09-26  ? 85015
PC US (Expert) 1997  ? 6805 01
PC US (Expert) 1998  ? 6805 02
PC EU 1996-10-03  ? MK 85015
Microsoft Xbox 360 WW 2011-12-14 $4.99 ?
Sony PlayStation 3 EU 2011-12-14 $4.99 ?
Sony PlayStation 3 US 2011-12-20 $4.99 ?
Sony PlayStation 3 KR 2011-12-21 $4.99 ?
Valve Steam WW 2012-01-19 $4.99 ?

Sonic the Hedgehog CD (ソニック・ザ・ヘッジホッグCD) is the first and only Sonic the Hedgehog title released for the Mega-CD add-on used with the Sega Mega Drive console. Developed separately from the sequels done by the Sega Technical Institute, the game was directed by the creator of Sonic, Naoto Ohshima. Introducing such fan favorites as Amy Rose and Metal Sonic, it has become something of a cult classic, partly because of its release on the expensive add-on that most Mega Drive owners did not have access to, and partly because of its visual style and gameplay that makes it stand out from the other classic games in the series.

Contents

Story

The main setting of Sonic the Hedgehog CD.

For one month out of the year, an enigmatic miniature celestial body called the Little Planet appears over the enormous Never Lake. Both a place of beauty and wonder, it is said that time moves freely on the planet, and that entire sceneries can change in a blink of an eye, all because of the mysterious secret they hold, the seven mystical Time Stones. It is said that whoever possesses these gems will be able to freely move through time, just as the surface of Little Planet does.

Almost expectantly, the news of such a place grabs the attention of Dr. Eggman, the mad genius who desires nothing more than world domination. Journeying to the Little Planet, Eggman immediately begins turning it into his personal fortress, littering the landscape with his mechanical genius. Powered not by animals but by the essence of flowers, he sets his army to tear the planet apart so he can claim the Time Stones for himself.

As fate would have it, Sonic the Hedgehog, the speedy blue blur who has stopped Eggman time and again, was also intending on seeing the small, miracle planet, oblivious to the fact Eggman had already beaten him to the locale. Learning of the news that Sonic was fast approaching, Eggman only smiled, excited to put his latest and greatest invention up against the hedgehog, confident that he would finally be able to defeat his arch enemy once and for all...

Arriving at Never Lake, Sonic immediately could tell that something was amiss. The Little Planet, which should have been a shining example of natural beauty, was instead covered in a mechanical wasteland, visible even from the distance he was at. Seeing that the small planet was tethered to the Earth's surface, Sonic examined the mountainside the chain was connected to, recognizing the visage etched into its surface. With the image of Eggman's face smiling at him, Sonic confirmed what he was already expecting. Jumping onto the chain, Sonic quickly darted up, speeding towards the surface of the Little Planet and preparing to face Eggman once more.

What might have otherwise been another simple fight against the genius scientist was immediately complicated by another layer that Sonic only discovered once he set foot in Palmtree Panic. Amy Rose, Sonic's biggest fan and self-proclaimed girlfriend, had been doing what she often did, playing around with her tarot cards in an attempt to look into the future. The cards telling her that she had a "destined encounter" with Sonic at Never Lake, she journeyed herself to the Little Planet, immediately becoming excited once she spotted her blue idol. None too pleased with Amy's appearance, she may have been nothing more than a slight bother if not for Eggman's intervention. At the outskirts of Collision Chaos, Sonic received his first glimpse of Metal Sonic, a robotic duplicate that Eggman created specifically to counter Sonic's every move. In the blink of an eye, the robot snatched up Amy, disappearing into the horizon. Now Sonic must not only stop Dr. Eggman and grab the Time Stones before he does, but save Amy Rose from the clutches of his metallic doppelgänger.

"No problem! With a little courage, you can do anything!"

Game Mechanics

Gameplay

Sonic the Hedgehog preparing himself in Palmtree Panic.

Though some of the terminology is switched around, the basic premise of the classic Sonic the Hedgehog titles remain: to traverse a series of obstacles and enemies within a given level under ten minutes, generally from left to right. While loop-de-loops, spikes, springs, and an assortment of other standard Sonic elements return, there are enough unique elements to this installment of the platformer series which makes it stand out from the quartet released on the Sega Mega Drive. Dropping the "Act" title entirely, each level is broken up into three separate "Zones," the third zone being significantly shorter than the other two, but containing an encounter with Dr. Eggman at the end. While Sonic the Hedgehog and its Mega Drive sequels had very straight forward battles with the doctor, the fights with him in CD are varied, taking fewer hits but being significantly more difficult.

The control scheme for Sonic remains largely unchanged, the same momentum-based gameplay preserved under the hood. Pressing one of the buttons on the control pad once again allows Sonic to curl up into his spin attack, attacking an enemy from any angle as long as spikes or some other dangerous projectile is not in the way. Pressing down on the control pad while running also allows Sonic to curl up in his spin attack, the roll lasting as long as momentum will allow. In addition, Sonic possesses his spin dash move from Sonic the Hedgehog 2, albeit in an altered state. In Sonic 2 and nearly every game that features the spin dash, all the player must do is press down and tap either A, B, or C once to gain a slight burst of speed, additional button presses equaling a greater initial speed once Sonic zooms off. However, in Sonic CD, the action button can be pushed only once, the control pad being held down for a certain amount of time before Sonic can dash ahead. If let go too soon, Sonic will remain stationary. To balance this out, a new move was added to the game, called the Super Peel-Out. Holding up as opposed to down, Sonic charges up his speed, and when let go will zoom forward faster than he can normally achieve, his legs resembling a figure-eight as opposed to the standard circular loop. Though waiting will rev up his speed, immediately letting go on the up of the control pad will still cause Sonic to run ahead, just not at his maximum.

Returning from the original game are the plethora of item boxes scattered throughout each level. Just as in the first Sonic the Hedgehog, a grand total of five can be discovered, each with its own benefits. If a player either jumps or rolls into one, the reward is given instantaneously. Finding one with an image of a ring gives a total of ten to Sonic's overall ring count, offering him protection if he happens to be struck by an enemy or obstacle. The hazy shield icon grants a barrier of protection to the player, protecting them from getting hit once without the fear of losing any rings. A collection of stars holds the invincibility power-up, where Sonic can rush forward for a limited amount of time without fear, while the shoe icon signifies a temporary speed boost. Finally, finding a monitor adorned with Sonic's head grants the player an extra life. Also making a comeback from the previous titles in the series are springs which will launch Sonic to higher areas, and the familiar-yet-redesigned Lamp Posts, which will return the player to that spot in the event of losing a life.

The EGG-HVC-001, as pictured in the good future.

One of the essential elements that make the Sonic CD experience unique is the use of the time travel mechanic. For the first two zones in each level, four different time periods can be visited: the present, the past, and two different futures - good and bad. Always starting in the present time zone, the player can make Sonic jump between the past and the future by running across "Time Warp" plates, adorned with the word "past" or "future." Each of the four potential time periods one can jump to feature completely new art reflecting where you are, with subtle changes in the layout. What may work as a quick way to blast through a zone in the present may be entirely impossible to get through in the past, and vice versa. These permutations in level design reflect on the way the levels are built in Sonic CD, for while you can storm through a level for the fastest time possible, the multi-layer design can force the player to explore every nook and cranny within, not just for secret rooms and item boxes, but for items that can change the way a level works.

Located somewhere in each version of the past for the first two zones of any given level is something known only as Eggman's machine, the tool for which he harvests the magical flower seeds of Little Planet and uses them to fuel his badnik army. Though they can be found in the present and bad future, they are nothing more than broken husks that have already done their job, Sonic unable to interact with them. In the past, however, the machine is still fully functioning, and if Sonic is able to locate and destroy it, the robot enemies within the zone will cease to be, immediately breaking apart and letting the seed go free, planting flowers that adorn Sonic's path through the level. It is only by destroying this machine that a "good future" can be obtained in the zone, a cheery, pastel version as opposed to the dark and bleak mechanical form that composes the "bad future," which appears if you ignore the robot-making machine.

The Quartz Quadrant boss, where only running on a treadmill will defeat Dr. Eggman.

For the third zone in each level, Sonic automatically begins in the future, with no "Time Warp" plates on the field. Which version of the future Sonic begins in depends on the actions of the player during the preceding two Zones. If both of Eggman's machines were located and destroyed, the boss encounter will happen in the "good future," while if neither or only one was found, then the fight will happen in the "bad future." Though Eggman's boss robots may look different depending on which future the player gets, the actual fight remains the same.

The badnik army that fills each zone is also affected by any given time frame Sonic is within. In the present, the robots that Eggman has created have already been in operation for some time, and while most will function just like new, occasionally a broken down one will be found, with its look and attack pattern slightly modified, generally being an easier enemy to overcome. In the "bad future," the rundown versions are the only ones populating the area. In the past, each robot is shiny and new, as they are still being created. However, if Eggman's robot-making machine is destroyed and Sonic ventures into the "good future," not a single badnik will be seen, only the naturally occurring trapfalls such as spikes being in his way to wining the level.

Within the game, there are not just one but two different ways to achieve the "good ending." The first is by going through and destroying each of Eggman's machines (fourteen in total) and making a "good future" for each level. The second is by collecting all seven Time Stones, which are accessible in yet another version of the classic Special Stage. Just as in the first Sonic the Hedgehog, access to the stage is granted by finishing a zone with fifty rings and jumping into the Giant Ring to the right of the signpost. Using a psudo-Mode 7 effect and showcasing the power of the Mega-CD, the goal is to destroy all of the UFOs flying about in the level before time runs out. When the counter goes down to 20 seconds, an extra blue UFO will appear, which will give Sonic extra time to finish the level if he can destroy it. If all seven Time Stones are collected, the good ending and its related animated winning sequence will appear, regardless of how many Eggman's machines were destroyed during the game.

Another destroyable item hidden in each of the past variants of the first two Zones (except in the final level) are projectors featuring the image of Metal Sonic tormenting the animals found in the classic games. Putting an end to his holographic reign of terror will cause the animals to be free, populating the rest of the Zone. Though not necessary for either ending, if one goes through and finds all twelve, a message touting the status of a super player will be shown after the end credits.

Time Attack

A new mode introduced in Sonic the Hedgehog CD, Time Attack is as the name implies, giving the player the option to run through any particular zone as fast as possible, the best times being recorded in the Mega-CD's RAM for posterity. Once a level has been completed in the main game, it becomes available in the Time Attack screen, though only the "present" version of Zone's 1 and 2 are accessible, with each field stripped of its Time Warp posts. Though basic enough, the mode serves an important purpose, offering up a collection of bonus features to be unlocked if the total time for all zones is under a certain point:

  • Under 37'27"57: "D.A. Garden" is unlocked on the title screen, allowing a sound test with a Little Planet background, accompanied by animations of Tails, Dr. Eggman, and Metal Sonic.
  • Under 30'21"05: Time Attack for the Special Stages is added.
  • Under 25'46"12: "Visual Mode" is unlocked on the title screen, allowing the intro, both endings, and a pencil test to be viewed at the player's leisure.

In the 2011 remake, the minimum time for unlocking each of these extra modes has been altered.

Music and Sound

Sonic the Hedgehog - Remix, the first Japanese Sonic-centric music release.

Because of the game's presentation on then-cutting age digital media, Sonic CD was the first in the series to take full advantage of high quality, Redbook audio. Naofumi Hataya and Masafumi Ogata were the ones responsible for the soundtrack, creating a basic theme for the "present" levels and then remixing them for the "past," "good future" and "bad future" variants, altering the mood to reflect on where Sonic was now running but maintaining the basic elements of the core theme. Though most of the songs are done in Redbook format, each "past" track is done in PCM format, similar to the style in the Mega Drive games. The vocal themes were sung by J-pop artist Keiko Utoku, who also provided the voice of Sonic the Hedgehog in the game, while the tracks for the levels used numerous samples to give them a richer sound. The best example of this technique is with the music that plays during each standard boss encounter, which samples Bob Marley's "Sun is Shining (Funkstar Remix)", Hall & Oates' "I Can't Go for That(No Can Do)" and "Work That Sucker To Death" by Xavier.

Though the original soundtrack was maintained in the European release, Sega of America decided to redo the majority of the soundtrack, having in-house musicians Spencer Nilsen and David Young compose the new themes. Instead of having two separate tracks for the intro and ending, only one was composed, Sonic Boom, an up-tempo version greeting those playing the American version and a slower rock remix accompanying the credits. The only tracks in the original version that were left untouched were the "past" mixes, as they had been programmed into the game and would require a greater amount of effort to change than simply replacing one set of Redbook audio files with another.

The music for the Spencer Nilsen tracks was the first to be given the soundtrack release treatment, a majority of the songs appearing on the full-length album Sonic the Hedgehog Boom, which was only available for those who had preordered Sonic the Hedgehog 3 in the west. The same year, Hataya and Ogata revisited the music they had done for the game, remixing the songs once again for the appropriately named Sonic the Hedgehog - Remix, only available in Japan. It would not be until 2011 when the original compositions would be released on both CD and digital venues.

Scoring

Note: Scoring 50,000 points will grant the player an extra life

Hitting Bumpers: 100 points each for the first five hits on any given bumper; after that no more points can be gained from that bumper

Glass Bumpers: 100

Enemy Chains:

  • First Enemy = 100
  • Second Enemy = 200
  • Third Enemy = 300
  • Fourth and all Subsequent Enemies = 1000 each

Eggman's Machine: 1500

Dr. Eggman Boss: 1000

End Level Ring Bonus: 100 points for each ring held

End Level Time Bonus:

  • 0'29"99 or less = 50,000
  • 0'30"99 to 0:44"99 = 10,000
  • 0'45"99 to 0'59"99 = 5000
  • 1'00"99 to 1'29"99 = 4000
  • 1'30"99 to 1'59"99 = 3000
  • 2'00"99 to 2'59"99 = 2000
  • 3'00"99 to 3'59"99 = 1000
  • 4'00"99 to 4'59"99 = 500
  • 5'00"99 or more = 0

Special Stage:

  • Rings = Total Collected multiplied by 200
  • Time Bonus = Seconds Remaining multiplied by 200

Sound Test

The no-frills version of the sound test.
The "D.A. Garden" sound test.

Below is a listing of the songs available to be played through the sound test within the game. The names attributed to each file are those presented in the unlockable "D.A. Garden" mode ("Sound Test" in the U.S. edition), while the associated letter/number listings are how they are presented in the secret sound test. For the songs themselves, visit either the Sonic CD (Japan & PAL Regions) OST for the original music made for the game, or the Sonic CD for Windows 95 OST for the American-exclusive soundtrack.

  • DA No. 00: Palmtree Panic
  • DA No. 01: Palmtree Panic "G" mix
  • DA No. 02: Palmtree Panic "B" mix
  • DA No. 03: Collision Chaos
  • DA No. 04: Collision Chaos "G" mix
  • DA No. 05: Collision Chaos "B" mix
  • DA No. 06: Tidal Tempest
  • DA No. 07: Tidal Tempest "G" mix
  • DA No. 08: Tidal Tempest "B" mix
  • DA No. 09: Quartz Quadrant
  • DA No. 10: Quartz Quadrant "G" mix
  • DA No. 11: Quartz Quadrant "B" mix
  • DA No. 12: Wacky Workbench
  • DA No. 13: Wacky Workbench "G" mix
  • DA No. 14: Wacky Workbench "B" mix
  • DA No. 15: Stardust Speedway
  • DA No. 16: Stardust Speedway "G" mix
  • DA No. 17: Stardust Speedway "B" mix
  • DA No. 18: Metallic Madness
  • DA No. 19: Metallic Madness "G" mix
  • DA No. 20: Metallic Madness "B" mix
  • DA No. 21: Boss!!
  • DA No. 22: Final Fever
  • DA No. 23: Title
  • DA No. 24: Time Attack Menu
  • DA No. 25: Zone Clear
  • DA No. 26: Speed Up!!
  • DA No. 27: Invincible!!
  • DA No. 28: Game Over
  • DA No. 29: Special Stage
  • DA No. 30: Little Planet
  • DA No. 31: Unused Warp Sound
  • DA No. 32: Sonic - You Can Do Anything/Sonic Boom (Intro)
  • DA No. 33: Cosmic Eternity - Believe in Yourself/Sonic Boom (Ending)
  • PCM No. 10: Palmtree Panic "P" mix
  • PCM No. 11: Collision Chaos "P" mix
  • PCM No. 12: Tidal Tempest "P" mix
  • PCM No. 13: Quartz Quadrant "P" mix
  • PCM No. 14: Wacky Workbench "P" mix
  • PCM No. 15: Stardust Speedway "P" mix
  • PCM No. 16: Metallic Madness "P" mix

Production Credits

Mega CD Version

Executive Producer: Hayao Nakayama
Produced by: Minoru Kanari, Makoto Oshitani
Director: Naoto Oshima (BIGISLAND)
Program Director: Keiichi Yamamoto
Art Director: Hiroyuki Kawaguchi (Hiro.K)
Sound Director: Yukifumi Makino
Game Designers: Hiroaki Chino (TINON), Kenichi Ono (Ax), Yuichiro Yokoyama, Takao Miyoshi, Akira Nishino
Character Designer: Kazuyuki Hoshino
Landscape Designers: Hiroyuki Kawaguchi (Hiro.K), Takumi Miyake, Masahiro Sanpei, Masato Nishimura, Hideaki Kurata
Special Stage Designers: Kazuyuki Hoshino, Yasushi Yamaguchi (Judy Totoya)
Special Stage Programmer: Keiichi Yamamoto
Animation Programmers: Yuichiro Mine (Proto.2), Eiji Horita
Animation Visual Directors: Hiroyuki Kawaguchi (Hiro.K), Masahiro Sanpei
Visual Design: Kazuyuki Hoshino, Takumi Miyake
Chief Programmer: Matsuhide Mizoguchi
Programmers: Yuichi Matsuoka, Hiroshi Takei, Tatsuya Satoh (HIC), Noritaka Yakita (HIC)

-Animation Staff-

Producers: Yasuo Yamaguchi, Mutsumi Kido
Chief Key Animator: Hisashi Eguchi (Studio Junio)
Key Animators: Tetsuya Kumagai, Toshiyuki Komaru, Yasuyuki Shimizu, Ichiro Furuichi, Kenji Kajiwara
Art Director: Shinzou Yuki
Camera Director: Masaru Banzai
Assistant Production Manager: Kouichi Hirose
Production Manager: Kohji Sekiguchi
Director: Yukio Kaizawa
In Cooperation with: Studio Junio
Produced by: Toei Animation Co., Ltd

-Opening Theme-

(Sonic You Can Do Anything)
Lyrics by Casey Rankin
Music by Naofumi Hataya
Vocals: Keiko Utoku

-Ending Theme-

(Cosmic Eternity - Believe in Yourself)
Lyrics by Casey Rankin
Music by Masafumi Ogata
Vocals: Keiko Utoku

Producer: Daikou Nagato (Being Co. LTD) Director: Ryo Watabe (Being Co., LTD)
Recorded at: Studio Birdman, Mod Studio

BGM Composed and Arranged: Naofumi Hataya, Masafumi Ogata
Sound Effects: Yukifumi Makino
Sound Programmer: Yukifumi Makino
Promoter: Hiroyuki Tanaka
Package Designers: Youichi Takahashi, Heyato Takebayashi Illustrations: Kazuyuki Hoshino Special Thanks: Hiroshi Kubota, Phenix Rie, Yoshiaki Kashima, Takenobu Mitsuyoshi, Masaru Setsumaru, Hijiri Aoki, Steve Ray Burton, James Michael Spahn, Kounosuke Yoshio, Tomoko Sasaki, Aki Kamata, Masato Nishimura, Akira Funada, Fujio Minegishi, Jina Ishiwatari, Katsufumi Yoshimori, Tetsuo Akagi, Kaeko Itoh, Hiroshi Nakatani, Hiromi Fukuda, Etsuko Yamada, Ryuichiro Kutuzawa, Takashi Iwade, Michikazu Tamamura, Masumi Uchida, Tohru Watanuki, Makiko Suzuki

Sega CD Version

Executive Producer: Hayao Nakayama
Produced by: Minoru Kanari, Makoto Oshitani
Director: Naoto Oshima (BIGISLAND)
Program Director: Keiichi Yamamoto
Art Director: Hiroyuki Kawaguchi (Hiro.K)
Sound Director: Yukifumi Makino
Game Designers: Hiroaki Chino (TINON), Kenichi Ono (Ax), Yuichiro Yokoyama, Takao Miyoshi, Akira Nishino
Character Designer: Kazuyuki Hoshino
Landscape Designers: Hiroyuki Kawaguchi (Hiro.K), Takumi Miyake, Masahiro Sanpei, Masato Nishimura, Hideaki Kurata
Special Stage Designers: Kazuyuki Hoshino, Yasushi Yamaguchi (Judy Totoya)
Special Stage Programmer: Keiichi Yamamoto
Animation Programmers: Yuichiro Mine, Eiji Horita
Animation Visual Directors: Hiroyuki Kawaguchi (Hiro.K), Masahiro Sanpei
Visual Design: Kazuyuki Hoshino, Takumi Miyake
Chief Programmer: Matsuhide Mizoguchi
Programmers: Yuichi Matsuoka, Hiroshi Takei, Tatsuya Satoh (HIC), Noritaka Yakita (HIC)

-Animation Staff-

Producers: Yasuo Yamaguchi, Mutsumi Kido
Chief Key Animator: Hisashi Eguchi (Studio Junio)
Key Animators: Tetsuya Kumagai, Toshiyuki Komaru, Yasuyuki Shimizu, Ichiro Furuichi, Kenji Kajiwara
Art Director: Shinzou Yuki
Camera Director: Masaru Banzai
Assistant Production Manager: Kouichi Hirose
Production Manager: Kohji Sekiguchi
Director: Yukio Kaizawa
In Cooperation with: Studio Junio
Produced by: Toei Animation Co., Ltd

Director: Ryo Watabe (Being Co., Ltd)
Recorded at: Studio Birdman, Mod Studio
Sound Effects: Yukifumi Makino
Sound Programmer: Yukifumi Makino
Promoter: Hiroyuki Tanaka

-Special Edition for North America-

Music Composed and Produced by: Spencer Nilsen, David Young
Vocals by: -Pastiche- Sandy Cressman, Jenny Meltzer, Becky West
Drums and Percussion by: Brad Kaiser
Guitars by: Erik Frykman
Recorded and Mixed at: Sega Multimedia Studio,S.O.A
Additional Music Composed and Produced by: Sterling
Bass: Bobby Vega
Percussion: Armando Peraza
Engineer: Charles Albert
Assistants: Roosevelt Hoover, Maurice Jackson
Recorded and Mixed at: Intermix

Special Thanks: Naofumi Hataya, Masafumi Ogata, Daikou Nagato (Being Co., Ltd), Hiroshi Kubota, Phenix Rie, Yoshiaki Kashima, Takenobu Mitsuyoshi, Masaru Setsumaru, Hifiri Aoki, Steve Ray Burton, James Michael Spahn, Kounosuke Yoshio, Tomoko Sasaki, Aki Kamata, Masato Nishimura, Akira Funada, Fujio Minegishi, Jina Ishiwatari, Katsufumi Yoshimori, Tetsuo Akagi, Kaeko Itoh, Hiromi Nakatani, Hiroshi Fukuda, Etsuko Yamada, Ryuichiro Kutsuzawa, Takashi Lwade, Michikazu Tamamura, Masumi Uchida, Tohru Watanuki, Makoto Suzuki, Audix, Digital Support Group, Fairlight E.S.P, Opcode, Otari, Zoom

PC Version

Executive Producer: Hayao Nakayama
Produced by: Minoru Kanari, Makoto Oshitani
Director: Naoto Oshima
Program Director: Keiichi Yamamoto
Art Director: Hiroyuki Kawaguchi
Sound Director: Yukifumi Makino
Game Designers: Hiroaki Chino, Kenichi Ono, Yuichiro Yokoyama, Takao Miyoshi, Akira Nishino
Character Designer: Kazuyuki Hoshino
Landscape Designers: Hiroyuki Kawaguchi, Takumi Miyake, Masahiro Sanpei, Masato Nishimura, Hideaki Kurata
Special Stage Designers: Kazuyuki Hoshino, Yasushi Yamaguchi
Special Stage Programmer: Keiichi Yamamoto
Animation Programmers: Yuichiro Mine, Eiji Horita
Animation Visual Directors: Hiroyuki Kawaguchi, Masahiro Sanpei
Visual Design: Kazuyuki Hoshino, Takumi Miyake
Chief Programmer: Matsuhide Mizoguchi
Programmers: Yuichi Matsuoka, Hiroshi Takei, Tatsuya Satoh (HIC), Noritaka Yakita (HIC)
BGM Composer and Arranged: Naofumi Hataya, Masafumi Ogata
Sound Effects: Yukifumi Makino
Sound Programmer: Yukifumi Makino
Development Support: Al Nilsen
Promoter: Hiroyuki Tanaka

-Animation Staff-

Producers: Yasuo Yamaguchi, Mutsumi Kido
Chief Key Animator: Hisashi Eguchi (Studio Junio)
Key Animators: Tetsuya Kumagai, Toshiyuki Komaru, Yasuyuki Shimizu, Ichiro Furuichi, Kenji Kajiwara
Art Director: Shinzou Yuki
Camera Director: Masaru Banzai
Assistant Production Manager: Kouichi Hirose
Production Manager: Kohji Sekiguchi
Director: Yukio Kaizawa
In Cooperation with: Studio Junio
Produced by: Toel Animation Co., Ltd
Director: Ryo Watabe (Being Co., Ltd)
Recorded at: Studio Birdman, Mod Studio

-Secret Special Stage-

Plan: Hiroaki Chino
Sprite Design: Kazuyuki Hoshino
Scroll Design: Yasushi Yamaguchi
Sound: Masafumi Ogata
Program: Keiichi Yamamoto
Special Thanks: 3Pei, Majin, 100Shiki, Syuji Takahashi

-Special Edition for North America-

Music Composed and Produced by: Spencer Nilsen, David Young
Vocals by: -Pastiche- Sandy Cressman, Jenny Meltzer, Becky West
Drums and Percussion by: Brad Kaiser
Guitars by: Erik Frykman
Recorded and Mixed at: Sega Multimedia Studio,S.O.A
Additional Music Composed and Produced by: Sterling
Bass: Bobby Vega
Percusion: Armando Peraza
Engineer: Charles Albert
Assistant Engineers: Roosevelt Hoover, Maurice Jackson
Recorded and Mixed at: Intermix

Special Thanks: Naofumi Hataya, Masafumi Ogata, Daikou Nagato (Being Co., Ltd), Hiroshi Kubota, Phenix Rie, Yoshiaki Kashima, Takenobu Mitsuyoshi, Masaru Setsumaru, Hifiri Aoki, Steve Ray Burton, James Michael Spahn, Kounosuke Yoshio, Tomoko Sasaki, Aki Kamata, Masato Nishimura, Akira Funada, Fujio Minegishi, Jina Ishiwatari, Katsufumi Yoshimori, Tetsuo Akagi, Kaeko Itoh, Hiromi Nakatani, Hiroshi Fukuda, Etsuko Yamada, Ryuichiro Kutsuzawa, Takashi Lwade, Michikazu Tamamura, Masumi Uchida, Tohru Watanuki, Makoto Suzuki, Audix, Digital Support Group, Fairlight E.S.P, Opcode, Otari, Zoom

2011 Versions

Voice Actors

Role Voice Actor
Sonic the Hedgehog Keiko Utoku[1]
Amy Rose Lynn Harris

Manuals

Miscellaneous

Game Revisions

In addition to the alternate music found in the American version of Sonic CD, the song that plays during the famous race between Sonic and Metal Sonic is always the "bad future" mix, even if a good future was achieved. When the game was ported to the PC on the Windows 95 platform in 1996, the Spencer Nilsen soundtrack was used in every region, including Japan, and featured the "past" mixes of each song converted into Redbook audio format as well. The save feature was also redone, allowing multiple files to exist at once. As for the opening and closing FMV sequences, the expanded power of the home computer allowed the full versions of these animations to be seen for the first time, with detail the limited color palette of the Mega-CD was unable to handle.

The PC port of the game was used as the basis for the version of Sonic CD used in the compilation title Sonic Gems Collection, and because of this met with its own changes and flaws. While the original soundtrack was maintained in the Japanese release of the game, the American soundtrack was used in the European release, which had not been done in the original Mega-CD version. The water effects in Tidal Tempest were nerfed, the water being clear as opposed to the green shade in the regular version. The entire credits sequence was omitted, the ending FMV filling the entire screen instead. Finally, in the Nintendo Gamecube version of the port, the Debug Mode game cheat was only half-enabled, the ability to place objects impossible due to one of the keys not being mapped to the Gamecube's controller.

Most recently, the 2011 multi-platform release of Sonic CD has alterations both small and large, thanks in part to being a remake as opposed to being emulated. Among the features of the game is the ability to choose between the Japanese and American soundtracks, the music fully looping as it no longer is confined by the CD format, having the choice between the Sonic CD spin dash and the more common variant found in Sonic 2, and having Miles "Tails" Prower as an unlockable character.

Rereleases

Adaptations

In an attempt to advertise Sonic the Hedgehog CD and its later PC port, various comic book adaptations were commissioned within the pages of the two Sonic the Hedgehog comic book titles running at the time. In the United States, the Archie Comics series Sonic the Hedgehog used its 25th issue to adapt the game, merging elements of the game's plot (such as the kidnapping of Amy Rose and the race with Metal Sonic) into its Saturday morning-inspired universe. In the United Kingdom series Sonic the Comic published by Fleetway, the adaptation to the game spanned multiple issues, starting in number 24 and continuing through 28. While the first two parts of the tale were based in Sonic the Comic-specific characters, the later parts of "Sonic the Terminator" featured Metal Sonic (called "Metallix" in the series) kidnapping Amy Rose and taking her to the Little Planet, where Sonic was forced to battle his double through time.

Resources

Sonic CD PC Patch




































Sega CD/Mega CD 88 Sonic Retro Average
Based on 10 reviews
Publication Score Source
EGM 85
GamesMaster 83 №11
GamePro 100
Mega Drive Advanced Gaming 87 №16
Mega 89
Mean Machines Sega 83
Sega Magazine (UK) 87 №1
Sega Power 88 #48 Pg 90/91/92
Sega Pro 90 #25 Pg 38/39/40
Sega MegaZone 91
  • Sonic CD patch (info) for Windows XP and later - A patch created by community member Korama to allow the 1996 PC version of Sonic CD to work on modern computer machines.[2] It is important to note this patch is not compatible with the DINO release.

ISO Modification

Hacking Guides

Image Gallery

Physical Scans

Mega CD
Mega CD, JP
Scd segacd jp back cover.jpgScd-box-jap.jpg
Cover
Sonic-cd-mcd-jp-disc.jpg
Disc
Mega CD, US
Scd-box-us.jpg
Cover
Soniccd mcd us cd.jpg
Disc
Mega CD, US (Not for resale)
SonicCDUSNotForRetailCover.jpg
Cover
Scd mcd us nfr disc.jpg
Disc
Mega CD, EU
Scd mcd eu back cover.jpgNospine-small.pngScd-box-eu.jpg
Cover
Soniccd mcd eu cd.jpg
Disc
Mega CD, BR
SonicCD MCD BR Box Back.jpgNospine.pngSonicCD MCD BR Box Front.jpg
Cover
PC
PC, JP
Scd-pc-jp-cover.jpg
Cover
SCD PC JP-disc.jpg
Disc
PC, US
(Jewel Case)
Scd pc us back cover.jpgNospine-small.pngScd pc us front cover.jpg
Cover
Soniccd pc us cd.jpg
Disc
PC, US
SonicCD(U)PCback.jpgSonicCD(U)PCside.jpgSonicCD(U)PCfront.jpg
Cover
PC, US
(Expert Software)
SonicCD PC US Box Front Expert.jpg
Cover
Soniccd pc us expert cd.jpg
Disc
Soniccd pc us expert alt cd.jpg
Alt Disc
PC, US (OEM Dino)

Cover
OriginalDinoCD (U).png
Disc
Sonic CD PC Dino OEM.jpg
Alt Disc
PC, EU
Scd-pc-eu-back.pngScd-pc-eu-cover.png
Cover
Scd-pc-eu-disc.png
Disc
Scd-pc-eu-inside.png
Inlay
PC, DE
Scd german cover.JPG
Cover

Artwork

External Links

1

Sonic CD
Sonic CD
Scd titlescreen.png

Main Article (2011)
Levels
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Music: JP (Loop)|US
Prereleases
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Cheat Codes
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(Win96) | (2011)
SCHG | PC

Sonic games for the Sega Mega Drive/Genesis and add-ons
Sonic the Hedgehog (1991) | Sonic Eraser (1991) | Sonic the Hedgehog 2 (1992) | Sonic the Hedgehog CD (1993) | Sonic Spinball (1993) | Dr. Robotnik's Mean Bean Machine (1993) | Sonic the Hedgehog 3 (1994) | Sonic & Knuckles (1994) | Chaotix (1995) | Sonic Classics (1995) | Mega 6 Volume 3 (1995) | 6-Pak (1996) | Sonic 3D: Flickies' Island (1996)
Pre-release Sonic games for the Sega Mega Drive/Genesis and add-ons
Sonic 2 (16-bit) Prereleases | Sonic the Hedgehog CD Prereleases | Sonic Spinball (16-bit prototype) | Dr. Robotnik's Mean Bean Machine (prototype) | Sonic the Hedgehog 3 Prereleases | Sonic & Knuckles Prereleases | Knuckles in Sonic 2 Prereleases | Chaotix Prereleases | Sonic 3D Prereleases
Scrapped Sonic games for the Sega Mega Drive/Genesis and add-ons
Sonic the Hedgehog (MCD) | Sonic the Hedgehog 2 CD | Sister Sonic | Sonic-16 | Sonic the Hedgehog 3 Limited Edition | Sonic Sports | Untitled STI Sonic Game | Sonic Mars
Sonic games for the PC
Sonic the Hedgehog CD (1996) | Sonic the Hedgehog The Screen Saver (1996) | Sonic's Schoolhouse (1996) | Sonic 3D: Flickies' Island (1997) | Sonic R (1997) | Sonic Adventure DX: Director's Cut (2003) | Sonic Heroes (2004) | Sonic Riders (2006) | Sonic & Sega All-Stars Racing (2010) | Sonic Adventure (2011) | Sonic Generations (2011) | Sonic the Hedgehog CD (2011) | Sonic Adventure 2 (2012) | Sonic & All-Stars Racing Transformed (2013)