list of some canceled MegaCD-SegaCD games
http://www.eidolons-inn.net/segabase/SegaBase-SegaCDGames.html
Akira
Battle Droids
Battletech: Grey Death Legion
Brain Dead 13
Burning Fists
Buzz Bombers
Castlevania IV
Cannon Fodder
Captain Commando
Chopper Command
Clue
Citizen X
Contra Spirits
Cool World
Crime Patrol 2: Drug Wars
Dark Seed
Doraemon
Dragon's Lair 2: Time Warp
Elroy Goes Bugzerk
The Exterminators
Fantasia
Firearm
Flying Nightmares
Formula One 94
Full Throttle
Galaxy Express 999
Garfield: Caught in the Act
Hammer Soulfire
Hosenose and Booger
Indiana Jones and the Fate of Atlantis
Instruments of Chaos
King's Quest V
Kingdom: The Far Reaches
The Last Action Hero
Leisure Suit Larry
Life Force
Loadstar 2
Marko's Magic Football
Maverick SFG
Merry-Go-Round
Metal Hawk
Monopoly
Multimedia Cruising
Myst
No Escape
Orius
Outpost
Parodius
Phantasy Star 3: Generations of Doom
Phantasy Star 4: The Return of Alis
Power Drift
Rise of the Phoenix
Savage Heroes
Sega Arcade Classics 10-in-1
Shadow of Atlantis
Side Pocket: Special Edition
Skeleton Krew
Space Pirates
Sporting News Soccer
Star Strike
Star Trek: The Next Generation
Strangers
Super Contra
Super Gal's Panic
Super Gaiares
Super Gradius
Super Strike Trilogy
Theme Park
Thunder Force IV CD
Thunder in Paradise
Time Cop
Time Slip
Tokyo Mahjong Gakuen
Ultima Underworld
Wiz 'n' Liz and the Frantic Wabbit Wescue
World Cup Golf
Ys 4 Mask of the Sun
another list of canceled Sega games
http://xepher.net/~sreform/cencelgms.html
Sega Master System
Game - Publisher
Outrun 3D Sega
Ultima 4 Sega
Wolfman Sega
California Games Sega
Koronisurifuto Sega
Psycho Fox Sega
Superman Sega
Champion Ski Sega
Poseidon Wars 3d Sega
Moonball Sega
Rampage Sega
MegaDrive/Genesis(CD|32X)
Game Publisher
Itchy & Scratchy Acclaim Japan
Virtual Bart Acclaim Japan
Monster Truck Acclaim Japan
Zuel no Yumebouken Infocom
The Street Basketball : Jammit Virgin Game
Apurosu: Sky Chapter Wolf Team
Powermonger CD Electronic Arts Victor
New Seal of the Conquerer Kougadou Studio
Shin Nyushain tooru Kimi Konami
Tetris Sega/System
Wolf Soldier Sims
Presence Nostalgia 2 Shueld Wave
Pop 'n Land Shueld Wave
RPG Densetsu-he Boy Sega
Ys IV: Mask of the Sun Sega
Wingwar (32x) Sega
Can you Fight for 24 Hours? Sega
Ultra Q Sega
Surgical Strike CD (32x) Sega
Sister Sonic Sega
Shining Rouge Sega
Shadow of Atlantas (32x) Sega
Super Brandish Sega
Super Motocross Motherbase (32x) Sega
Dynamite Ducks Sega
Silent Squadron Sega
Hourai Gakuen* Sega
Hourai Gakuen* Adventure Sega
Farlan Fight CD (32x) Sega
Last Survivor Sega
Moon Dancer Sega
Merry-go-round Data West
Popeye the Sailor Man Tecnos Japan
Powerdrift Denpa Shinbunsha
Dennin Aleste 2 Toa Plan (Robo Aleste 2 !!!!)
Fathom Treko
Galaxy Express 999 Nihon Telenet
Road Busters Nihon Telenet
Indy Jones: The Fate of Atlantis Victor Entertainment
Alien 3 Bic Tokai
ADD Eye of the Beholder Pony Canon
Seldis: The Distant Land Micronet
Mina in Wonderland Micronet
Gals Panic Mainichi Communications
Explode Star Messaiah
Omega Fighter U P L
Phildeas: Requiem of the Wind Unipack
Fighting Fist ?
Saturn
Game Publisher
Exector Ark System Works
Guilty Gear Ark System Works
Flying Spirit Ark System Works
Wired Knights Ark System Works
AIV A ressha de Ikou 4 Artdink
Go!Inanaka Ping Pong Acclaim Japan
Nice Shot Acclaim Japan
Magic: The Gathering Acclaim Japan
Success Story Altron
Uniform: Highschool Countdown Aroma
The 7th Guest2 11th Hour Virgin Game
Hard Core Virgin Game
Rock Climbing: Challenge the Unclimbed Peak - Himalaya Version Weinet
Syncronicity ADM
Ruinz ADM
Edward Randy Xing
Dragon Knight Elf
Wazwas Elf
Dragon Knight 4 NEC Interchannel
Wing Commander III Electronic Arts / Victor
Viewpoint Electronic Arts / Victor
Raindrop Electronic Arts / Victor
Devine Punishment: The Meaning of Life Gainax
Seiten Taisen Glams
Deserted Island Tale KSS
X2 Capcom
Super pan collection Capcom
Biohazard 2 Capcom
Nanatsu no Hikan: Senritsu no Bishou Koei
Virtua the Fish Koei
Babzy 3D Coconut Japan Ent.
Pitball Coconut Japan Ent.
Contra Konami
Twinbee Taisen Puzzle Dama Konami
Lethal Enforcers Deluxe Pack Konami
Gekitou Ottamagaeru CRI
Hyper Derby CRI
Wizard of Go J-Wing
Pururun!Shape up Girls J-Wing
Rensa Signal Light
Fake Down System Sakomu
Gendai Taisenryaku Strikes System Soft
Master of Monsters: The Gold Ring System Soft
Warz Shoei System
Housing Super Software
Housing Catalog Super Software
Ice Hockey Sega
X-JAPAN Visual Shock 2002 Sega
Tomcat Alley Saturn Sega
Ecco the Dolphin: Saturn Sega
Starcadee Sega
Basketball Saturn Sega
Virtua Tennis Sega
Heart of Darkness Sega
Sonic the Fighters Sega
Virtua Fighter 3 Sega
Rukusou Casino Sega
The Phantom Fish Soft Office
Arena Soft Bank
Psychic Force Soft Bank
Return Fire Soft Bank
Alien vs. Predator D & D
Cobra: The Psycho Gun Mekara
HT&T Dragons Heaven Data East
Mausuke no Ojama The World Data East
Super Flappy Debi Soft
Ragnarock Stage Digital Frontier
Kaiun! Nandemo Kanteidan TV Tokyo
Requiem Nihon Art Media
Fans Form Nihon MMI Technology
US Drag Champ Nihon Bussan
SUPER301 SQ Nihon Bussan
Steam Pirates Neverland Company
Millenium Fire Bandai
Rescue Bandai International
Pachinka BMG Victor
Legacy of War BMG Victor
Backgeiner 3 Bic Kids
Backgeiner Complete Edition Bic Kids
Swagman Victor Soft
Kamome Daisakusen Ving
Rayman UBI Soft
Startling Odyssey: Blue Evolution Ray Force
Startling Odyssey II: Evil Dragon War Ray Force
Startling Odyssey III: Lineage of the Millenium Ray Force
Realsound 2 Warp
Copkiller ?