Also known as vaporware, this is a list of games that were announced while still in development, but were cancelled, moved to another system, or evolved into another game altogether.
Famicom Arc Hound (available on the NES as Contra Force)
Deep Dungeon (available only on the Disk System)
Monster Party (released on the NES by Bandai)Ninja Cop Saizou 2
Rune Master
Seiken Densetsu: The Emergence of Excalibur (Moved to the SNES)
Spirit Animal Genesis
Super Dog Booby: Akachan Daibouken no Maki NES
10th Frame (Available for PC)
A Boy and His Blob 2
American Crisis
An American Tail: Fievel Goes West (Available for the SNES)
Arcadia VI
Backgammon
Bee 52 (Aladdin)
Big Nose: The Witch Doctor
Bio Force Ape
Black Tiger
Blaster Master 2 (Available on Genesis)
California Raisins: The Grape Escape
Card Sharks
Caveman Ninja (Released as Joe and Mac)
Cheetahmen II Crash 'n the Boys: Ice Challenge (only released in Japan)Creation
Déjà Vu II: Lost in Las Vegas (Later released on Game Boy Color)
Drac's Night Out (Not commercially released)
Dr. Franken (Unreleased Prototype, available for Game Boy)
Final Fantasy IV (Moved to the SNES)
Genesis of the Mythical Beasts
Happily Ever After
Happy Camper
Hard Drivin'
Hit the Ice (Not commercially released — only released on Game Boy and SNES)Hoppin Mad
Indy the Magical Kid
Inspector Gadget (Available on SNES)
John Madden Football
Jump Burger
Kitty's Catch
Licence to Kill
Married... With Children
Mii (Concept moved to Wii)
Monster Party II
New Kids on the Block
Off Zarken
Return of Donkey Kong
RoboCop versus The Terminator (Available for SNES and Game Boy)
Secret Ties (Not commercially released)
Sim City (Moved to the SNES)
Solomon's Key 2 (Released as Fire & Ice)
Space Ace
Spy vs Spy: The Island Caper
Street Fighter 2
Sunman (Not commercially released)
Super Password
Talking Super Password
The Addams Family 2 (Available for the Game Boy and SNES)
The Adventures of Dewey the Dolphin
The Legend of Zelda: The Triforce of Saga (Later turned into The Legend of Zelda: A Link to the Past for the SNES)
The Price is Right
Thomas the Tank Engine and Friends (Available on Sega Genesis and SNES)
Time Diver: Eon Man (Not commercially released)Titan Warriors (Not commercially released)
Ultimate Journey
USA Bowling
War on Wheels SNES
7th Saga 2 (Available only in Japan as Mystic Ark)
Airborne Ranger
Akira
Apocolypse II
Baby's Day Out
Barbie Vacation Adventure
Batman: Revenge of the Joker
Bobby's World
Dorque & Imp Fido Dido Final Fantasy VII (Moved to the PlayStation)
Firearm
FX Fighter — (Available for PC)
Gargoyles — (Available for Sega Genesis)Godzilla: Destroy All Monsters (Available only in Japan)
GoldenEye 007 (Moved to the N64)
Kaboom!: The Return of the Mad Bomber
Kid Kirby
Killer Instinct 2 (Moved to the N64 as Killer Instinct Gold)
Kung Fu: The Legend Continues
Lester the Unlikely 2
Lobo
Maniac Mansion II (Moved to the computers as Day of the Tentacle)
Mortal Kombat: Arena Edition
Mutant League Hockey Pinkie (Available for Amiga)Reactor
RHI Roller Hockey 95 Socks the Cat Rocks the Hill Sound Fantasy Spot Goes to Hollywood (Available for Sega Genesis, Sega Saturn and PlayStation)Star Fox 2 Star Wars: Dark Forces
Steven Seagal is The Final Option (Redesigned as Deadly Honor for Nintendo 64 and PlayStation)
Street Dunk
Super Kid Icarus
Superman
Super Mario FX (Later became Super Mario 64 on the N64)
Targa (Available only in Japan as Rendering Ranger R2)
The 7th Guest
The Firemen (Available in Europe and Japan)
The Shadow
Turbo Toons (Available only in Europe)
Ultrabots (Available for PC)Virtual Boy 3D Tank
Bound High!
Doraemon: Nobita no Doki Doki! Obake Land
Dragon Hopper GoldenEye
Mighty Morphin Power Rangers
Sora Tobu Henry
Star Fox (Virtual Boy) (There was a game in production for the Virtual Boy called Red Alarm , and it had a very close plot to the Star Fox game)Worms
Zero Racers N64 1080° Snowboarding 2 — (Moved to the GCN under the name of 1080° Avalanche
40 Winks — (N64 version cancelled, available for PlayStation [With a Nintendo Power quote on it])
64 Wars
Alien: Resurrection
Alien Trilogy — (Available on Sega Saturn and PlayStation)
Animal Forest — (USA and European release cancelled, available for GameCube as Animal Crossing)
BassMasters 2000 — (Appeared at E3 1999, but cancelled)
Beetle Adventure Racing 2
Buggie Boogie
Cabbage
Catroots
Climber
Conker's Quest (Remade as Conker's Bad Fur Day )
Croc 2
Die Hard Trilogy — (Available on PlayStation and Sega Saturn)
Dinosaur Planet — (Moved to GCN as Star Fox Adventures Disney's Dinosaur — (Available on PlayStation)
Doubutsu Banchou — (Moved to the GCN under the name of Cubivore: Survival of the Fittest )Dragon Quest VII - (Moved to PlayStation)Dragon Sword 64 Earthbound 64 — (Revived and released for the GBA as Mother 3 )Echo Delta Eternal Darkness: Sanity's Requiem — (Moved to the GCN)F1 '98
Final Fantasy VII — (Moved to the PlayStation)
Fire Emblem 64 — (Moved to the GCN as Fire Emblem: Path of Radiance and as Fire Emblem for GBA)First Samurai 64
Freak Boy
GameZero Glover 2
Harrier 2001 Hello Kitty 64
HeroQuest 64
Jack and the Beanstalk
Japan Pro Golfer 64
Joust 64
Jungle Emperor Leo
Kameo: Elements of Power — (Moved to the Xbox 360)
Kirby Air Ride — (Moved to the GCN)Looney Tunes: Space Race
Luigi's Mansion — (Moved to the GCN)Mario Artist: Sound Maker
Mega Man 64 2 — (Remade as Mega Man Legends 2 for PlayStation)
Metroid 64
Mini Racers
Mutant League Hockey - Available for GenesisNBA Showtime 2000
NHL Blades of Steel 2000 (Available for Game Boy Color)Nightmare Creatures II
O.D.T. — (Available for PlayStation & PC)
Pilotwings 64 2
Pitfall
Pocket Monsters RPG
Pokémon Colosseum — (Moved to the GCN)Pokémon de Panepon 64 — (Japanese Release of Pokémon Puzzle League , available in USA and Europe)
Powerslide
Project Cairo
Quest 2
Quest for Camelot 64
Red Baron
Renegade Racers
Resident Evil 0 — (Moved to the GCN)Resident Evil 3: Nemesis — (Available on PlayStation, Sega Dreamcast, GCN and PC)
Robotech: Crystal Dreams — (Moved to the GCN)Sea-Doo HydroCross — (Available for PlayStation)
Shadowgate Rising
Shrek: Treasure Hunt (Available for the PlayStation)
SimCopter 64
Sin and Punishment — (USA release cancelled, eventually put on Virtual Console)Smurfs 64
Super Mario 64 2 — (Moved to the GCN under the name of Super Mario Sunshine )
Super Mario Kart R Survivor Day One
Sydney 2000 — (Available for PlayStation and Dreamcast)
Teo
Toon Panic Ura Zelda — (Remade and moved to the GCN under the name of "Zelda: Ocarina of Time Master Quest")
Viewpoint 2064 GameCube Alias — (Available on PC)
Animal Crossing 2 (Moved to DS as Animal Crossing: Wild World )
Area 51 — (Available for PlayStation 2 & Xbox)
Armada 2: Exodus
Army Men: Air Cavalry
Banjo-Threeie (Cancelled due to Microsoft's purchase of Rare )Barbie Horse Adventures: Wild Horse Rescue — (Available on PlayStation 2 & Xbox)
BattleBots Bulletproof Monk Cabela's Dangerous Hunts (Available for PlayStation 2, Xbox, and PSP)
Car Combat Conker's Other Bad Fur Day (Remade as Conker: Live & Reloaded on the Xbox)
Crash Twinsanity — Cancelled due to poor sales of the PlayStation 2 & Xbox versions.
Crouching Tiger, Hidden Dragon (Available for PlayStation 2, Xbox and Game Boy Advance)
Damage Inc.
Dead Phoenix
DK Bongo Blast (Moved to Wii as Donkey Kong Barrel Blast)
Donkey Kong Racing
Doomsday Rescue Driv3r (Available for PlayStation 2 & Xbox)
Dr. Seuss The Cat in the Hat (Available for PlayStation 2 & Xbox)
Extreme Force Family Guy: The Video Game (Available for PlayStation 2 & Xbox)
Fight For Your Right
Four Horsemen of the Apocalypse Futurama (Available for PlayStation 2 & Xbox)
FX Racing
Geist (Japan only)Gold Mountain Gold Star Mountain Grabbed by the Ghoulies (Moved to the Xbox)
Gravity Games Bike (Available for PlayStation 2 & Xbox)
Guilty Gear X2 (Available for PlayStation 2)
I-Ninja 2
Jonny Moseley's Mad Trix 2
Joust
Juiced (Available on PlayStation 2 & Xbox)
Kameo: Elements of Power (Moved to the Xbox 360)
Kid Ninja Kirby Adventure Redux Kirby GCN (Moved to the Wii and evolved into Kirby's Return to Dream Land )
Kirby Tilt 'N' Tumble GCN
Mace Griffin: Bounty Hunter (Available for PlayStation 2 & Xbox)
Mario 128 (Concept used for Pikmin and Super Mario Galaxy )
Marionette
Meowth's Party (GC Tech Demo, unlockable video in Pokémon Channel )Metallica: The Game
Ms. Pac-Man Maze Madness 2 NARC (Available for PlayStation 2 & Xbox)
NASCAR Thunder 2004 (Available for PlayStation 2 and Xbox)
NBA Jam 2004
NFL Retro Football
NHL Hitz Pro (Europe only)Nintendo Pennant Chase Baseball
Peach's Castle
Perfect Dark Zero (Available for Xbox 360)
Picassio Pilotwings
Project Sandman Psi-Ops: The Mindgate Conspiracy (Available for PlayStation 2 & Xbox)
Pterosaur: Dawn of Destruction Rally Fusion: Race of Champions (Available for PlayStation 2 & Xbox)
Raven Blade Richard Burns Rally (Available for PC, PlayStation 2 & Xbox)
RTX Red Rock (Available for PlayStation 2)
Shaun Murray's Pro Wakeboarder (Available on PlayStation 2 & Xbox as Wakeboarding Unleashed Featuring Shaun Murray )
Shaun Palmer's Pro Snowboarder 2
Showdown: Legends of Wrestling (Available for Xbox)
Spy Hunter 2 (Available for PlayStation 2 & Xbox)
Stage Debut
StarCraft: Ghost
Super Mario Galaxy (Moved to the Wii)Super Monkey Ball 3 (Moved to the Wii)Super Paper Mario (Moved to the Wii)The Crocodile Hunter
The Movies (Available for Mac and PC)The Suffering (Available for PlayStation 2 & Xbox)
Thunder Rally
Tom Clancy's Ghost Recon: Advanced Warfighter — (Available for PlayStation 2, Xbox and Xbox 360)
Tom Clancy's Rainbow Six: Rogue Spear
Too Human — (Moved to the Xbox 360)
Travis Pastrana's Pro Moto X
Yoshi platformer (Moved to Nintendo DS as Yoshi Touch & Go ) Wii Animal Leader (Moved to GameCube as Cubivore )Bachindaa Baja Destruction Bonk: Brink of Extinction Centipede: Infestation (Europe only)Clay Fighter: Call of Putty
Clockwerk Cosmic Walker Crash Landed / I Am Crash Bandicoot Crash Team Racing 2010 Crossword Dance Factory (Available for PlayStation 2)
Digimon Double Bloob (Available for DSiWare)Family Guy: Back To The Multiverse
Fire Emblem Wii FUUB I Am Alive (Available for PC, PlayStation 3 and Xbox 360)Jon & Kate Plus 8 — (Available for Nintendo DS)
Joysound Kirby Adventure Redux Knight Wars Line Attack Heroes (Outside of Japan)Medal of Honor: Airborne Milion's Star Paradise No Limits Racing Pikmin 3 (Moved to Wii U)Project H.A.M.M.E.R. Red Faction BEAST Sadness
SBK-08: Superbike World Championship
Sonic Generations
Sonic the Hedgehog (Port of Xbox 360 version cancelled in favor of Sonic & the Secret Rings )
Stuntman: Demolition
Super Mario Spikers Tecmo Bowl: Kickoff - Available for Nintendo DSThe Next Big Thing The Wonderful 101 (Moved to Wii U)Untitled Kid Icarus game
Wave Race Wii
Winter
Witches (All regions)
Wizard Zblu Cops Wii U
007 Legends (Australia only)Aliens: Colonial Marines — (Available for PC, PlayStation 3 & Xbox 360)Ashes Cricket 2013 (Available for PC)Batman: Arkham Origins (Story DLC only)Battlefield 3 — (Available for PC, PlayStation 3 & Xbox 360)Battlefield 4 — (Available for PC, PlayStation 3, PlayStation 4, Xbox 360 & Xbox One)Bloodstained - Cancelled in favor of Nintendo Switch versionCrysis 3 — (Available for PC, PlayStation 3 & Xbox 360)Dirt: Showdown (Available for Linux, Mac, PC, PlayStation 3 and Xbox 360)F-Zero (Proposed to Criterion Games )
Grand Theft Auto V — (Available for PC, PlayStation 3, PlayStation 4, Xbox 360 & Xbox One)
Gunlord (Available as an indie title for Dreamcast)Metro: Last Light Need for Speed: Rivals — (Available for PC, PlayStation 3, PlayStation 4, Xbox 360 & Xbox One)
Pac-Man Museum Project CARS — (Available for PC, PlayStation 4 & Xbox One)Putty Squad (Available for SNES, Amiga, PlayStation 3, PlayStation 4, PlayStation Vita, PC and Xbox 360, Sega Mega Drive port also cancelled)Raid of the River South Park: The Stick of Truth (Available for PC, PlayStation 3, PlayStation 4, Xbox 360 and Xbox One)Teenage Mutant Ninja Turtles (Available for Nintendo 3DS, Wii and Xbox 360)The Avengers
Untitled Darth Maul game
Untitled Metroid prototype (Proposed to MercurySteam )
Yooka-Laylee — Cancelled in favor of Nintendo Switch versionYoung Justice: Legacy Zombie Vikings Game Boy/Color Baby's Day Out
Densetsu no Stafy (Moved to GBA)
Dino Crisis
Elite Game Boy Music
Kirby's Dream Land 2 DXMega Man V (Game Boy Color enhanced version)Metroid II: Return of Samus DX
Pokémon Picross (Moved to 3DS)Resident Evil
Rhino Rumble Puzzle
San Francisco Rush: Extreme Racing
South Park
The Legend of Zelda: Mystical Seed of Courage (third version of Oracle of Ages and Oracle of Seasons )
Trap Gunner
Tyrannosaurus Tex
Waterworld (USA only)Game Boy Advance Nintendo DS Nintendo 3DS Arcade 
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