Unreleased Mega Drive games

From Sega Retro


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Over the course of the Sega Mega Drive's lifetime, a number of games went unreleased. Sega VR games are not listed here — see the main article for details. This list also omits games that did not make it past the concept phase, like Spinny and Spike.

Legend
Cancelled near completion or late in development
Cancelled during development
Cancelled early in development — but known to be playable
One particular version unreleased
ROM released but game status unknown
ROM released but legitimacy unverified
Unknown status
Name Involved Companies Details ROM Found and Released?
AD2001/Power Ball AD2001 HiCom Info on this page is all that's known. No
Akira THQ Shown in Player One #44, Console Plus #44, and Console Plus #35. Cancelled for unknown reasons. No
"Amegedon" Project ?? Info on this page is all that's known. No
Baby Boom ?? (probably STI) drx released three prototype builds of this game as part of his 23 February 2008 release. Otherwise, nothing is known about it (one build has the same serial number as Eternal Champions which leads to the STI assumption). Yes
Baby's Day Out Hi Tech Entertainment, Designer Software Cancelled for unknown reasons. Yes
Barbie Vacation Adventure Hi Tech Entertainment, Software Creations Cancelled for unknown reasons. Yes
B-Bomb Sega Shown in EGM #39. More information. Cancelled for unknown reasons. No
Bean Ball Benny Nuvision Cancelled when Nuvision went under. Lost Levels is known to have put up a CES flier for the game, but hasn't properly labelled it as such (TODO). No
Beyond Zero Tolerance Technopop The sequel to Zero Tolerance. Cancelled when Technopop closed down. The copyright holders eventually released a prototype ROM to the Internet. Yes
Bill's Tomato Game Psygnosis Cancelled for unknown reasons. A prototype cartridge was sold in 2009, but neither the buyer nor the seller ever dumped the ROM. No
The Chaos Engine 2 The Bitmap Brothers, Renegade Software Cancelled for unknown reasons. Yes
City Heroes Samsung All that's known comes from this Hardcore Gaming 101 article: Developed by the Uzu Keobukseon team and intended for international release; it was cancelled because the then-new South Korean game censorship laws were so confusing that they got lost trying to censor the otherwise completed game. No
Converse Hardcore Hoops/Converse City Ball Tour Virgin Announced in GamePro #72 and CD Consoles #8. Cancelled for unknown reasons. No
Cybernauts: The Next Breed Accolade Advertised by Accolade in the packages for some of their later games... and a lot of other places too. Cancelled along with Fireteam Rogue below because they were overmarketed to the point that there would be no realistic way to have the games completed the way they were advertised and still be fun — so new Accolade management dropped them. No
Dando/Vasum Treco Advertised in magazines, but no actual info is known. (MAGAZINE SOURCE UNVERIFIED — TODO) No
Davis Cup II Virgin Cancelled for unknown reasons. Yes
Devil Buster SIMS Shown in the April 1993 issue of Beep!.] Cancelled for unknown reasons. No
DNAction: The New Breed Accolade Shown in Games World #1, Banzzai Magazine #21, GamePro #56, and Player One #4. Cancelled for unknown reasons. No
Dominus Asciiware Cancelled for unknown reasons. Yes
DynoBlaze Bonsai, Virgin A press release was released by Virgin, and is now mirrored on unseen64. Cancelled for unknown reasons. Yes, but not actively circulated (and is a completely different build from the one used to take the existing screenshots and footage — in fact, it might not even be correct)
Elite Hybrid Technology Ian Bell, one of the developers of the original BBC Micro/Acorn Electron versions of Elite, released a tech demo ROM of this version of the game — but the link appears to have died. The link here, however, works. Nothing else is really known about this version; it's presumed to have not left the tech demo state. Yes, but not circulating
Environmental Detective Magicom Shown in some issue of Mean Machine (TODO FIND OUT WHICH). Cancelled for unknown reasons. No
Explode Star NCS The Japanese release of Trampoline Terror!. Cancelled for unknown reasons. Promotional fliers were distributed before the game was cancelled. (FLIER DISTRIBUTION METHOD UNVERIFIED — TODO) No
Fido Dido Kaneko Cancelled for unknown reasons. Yes
Fire & Ice Graftgold Cancelled for unknown reasons. No
Fireteam Rogue Accolade Advertised by Accolade in the packages for some of their later games... and a lot of other places too. Cancelled along with Cybernauts: The Next Breed above because they were overmarketed to the point that there would be no realistic way to have the games completed the way they were advertised and still be fun — so new Accolade management dropped them. No
Flash Point Sega Cancelled for unknown reasons (presumably for the same reason Tetris was pulled from production after some copies had shipped). Yes
Halloween Capsule Softmax Info on this page is all that's known. Cancelled for unknown reasons. No
Hardcore Digital Illusions, Psygnosis Digital Illusions, now called DICE, had nearly completed the game when publisher Psygnosis cancelled it (and according to this linked video, taking every other unfinished MD game with it — was ResQ below a victim?). According to this linked video, which is of the game being showed by DICE to a demoparty in 2010, DICE were in talks with Sony (who owns Psygnosis, who still today owns the game's distribution license) to try to get the game released somehow — these appear to have gone nowhere. No
The Itchy and Scratchy Game Acclaim, Bits Cancelled for unknown reasons. Yes
It Came from the Desert Cinemaware, Electronic Arts Cinemaware released the prototype ROM. An interview with the lead programmer on the project reveals that the game was "99.99%" complete when cancelled and that it was cancelled because publisher Electronic Arts wanted to focus only on sports games from then on (that didn't happen). Yes
Jelly Boy Ocean, Probe, Electronic Arts Cancelled for unknown reasons. Yes
Jester STI A rather elusive game; very little is known about it (though SOA did advertise it). Cancelled for unknown reasons. No
Jim Power: The Arcade Game Loriciel Cancelled due to "financial troubles." Yes (but is marked as a bad dump for unknown reasons)
Kartoon Kombat Technos A damaged prototype ROM is all that is known to survive of this game. Cancelled for unknown reasons. (MAGAZINE SOURCE ON UNSEEN64 PAGE UNVERIFIED — TODO) No
Keeper of the Gates Razorsoft Supposedly a sequel to the MD version of Stormlord. Shown in EGM #40 and #41. Cancelled for unknown reasons. No
Lobo Ocean Cancelled for unknown reasons. Found and dumped by SEGASaturno and released by drx. Yes
Madness: House of Fun Gremlin Graphics Shown in Mean Machine #17 and Mega Force #17. Cancelled for unknown reasons. No
Might and Magic III: Isles of Terra FCI, New World Computing Cancelled for unknown reasons. Yes
Mission Impossible Ocean Developer unknown. Shown in Joypad #44, Top Consoles #4, and Console Plus #45. Cancelled for unknown reasons. No
Mutant League Speed Demons Electronic Arts Cancelled at the second to last build for unknown reasons; the only known cartridge with a prototype used RAM chips that needed to be powered by batteries — so the game is lost unless another prototype exists. No
Monster Hunter ?? This Menacer game was only known to be shown in EGM #51. No
Ninja Gaiden Tecmo, Sega Cancelled for unknown reasons. Yes (but with hacked headers)
Ninja Gaiden IV Sega Shown in Gamefan #1. Not sure if this is the same as Ninja Gaiden above — needs investigation. Both the above ROM and this small preview come from 1992. No
Pinky Data Design Systems, Tengen Advertised in magazines. Cancelled for unknown reasons (there are guesses as to what the reason is). (MAGAZINE SOURCE UNVERIFIED — TODO) No
Pit Fighter II Tengen Shown in EGM #49. Cancelled for unknown reasons. No
Popeye Technos Shown in Console Mania #28, Game Fun #94, and Mean Machine #17. Cancelled for unknown reasons. No
Prince of Persia 2: The Shadow and the Flame Broderbund Cancelled for unknown reasons. Found by DreamTR, dumped by jurai, and released by drx. Yes
ResQ Tempest, Psygnosis Cancelled for unknown reasons. Yes
Road Riot 4WD Tengen Shown in Joypad magazine #7, EGM #40, and EGM #41. Cancelled for unknown reasons. No
Savage Heroes Electronic Arts Cancelled because the project was too ambitious and the developer chosen (unknown) produced a prototype that did not impress EA managers. No
Scrabble Supervision Cancelled for unknown reasons. Yes
Slam: Shaq vs. the Legends Tiburon Released by drx. Yes
Socks the Cat Rocks the Hill Kaneko Advertised in magazines. Cancelled for unknown reasons. (MAGAZINE SOURCE UNVERIFIED — TODO) No
Sonic-16 STI The game was intended to tie into the Sonic the Hedgehog "SatAM" cartoon, but Sonic Team head Yuji Naka disapproved. See the linked article for more details. No
Sonic the Hedgehog 3 Limited Edition Sega Meant to be a combined Sonic the Hedgehog 3 and Sonic & Knuckles on a single 3MB cart. Mentioned by several magazines — see the linked article for details. drx did release two "Sonic 3C" ROMs — there is no known confirmation that these are prototypes of this game. Unsure
Speed Racer Accolade Advertised in magazines. Cancelled for unknown reasons. (MAGAZINE SOURCE UNVERIFIED — TODO) No
Speedway Pro Challenge Renovation Products The planned American localization of Human's 1991 Mega Drive game Fastest 1. Cancelled for unknown reasons. Box scans exist. No
Stone Protectors Kemco, Eurocom, VIC Tokai Cancelled for unknown reasons. Found, dumped, and released by The NES Player. Yes
Swamp Thing Microsmiths, Nuvision Cancelled when Nuvision went under. Found, dumped, and released by MrMark0673 of SegaAge. Yes (but overdumped)
Tecmo Cup Tecmo, Sega Not sure if this is an unreleased game or a prototype of Tecmo World Cup '92. If is unreleased, then cancelled for unknown reasons. Yes
Wacky Races Eden Cancelled for unknown reasons. Yes
Waterworld Ocean Cancelled for unknown reasons. Yes
WildSnake Spectrum HoloByte, Bullet-Proof Software Cancelled for unknown reasons. Yes
X-Women: The Sinister Virus ?? (presumably Clockwork Tortoise) Another X-Men license. A promotional video of unknown origin and a clip from EGM #89 are all that are known about the game. It was supposedly developed by Clockwork Tortoise. No
The Young Indiana Jones Chronicles ?? Not sure if this is an unreleased game or a prototype of Instruments of Chaos Starring Young Indiana Jones. If is unreleased, then cancelled for unknown reasons. Yes
Zombie High Electronic Arts Cancelled for unknown reasons. Yes

Note: the Mega Drive Command & Conquer ROM, long believed to be an unreleased port, is actually an unfinished pirate.