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CREATION INFORMATION
CREATEDMAR.16.2002
UPDATEDSEP.10.2012
NINTENDO PROTYPES
SOME WENT UNRELEASED, OTHERES WERE HEAVILY ALTERED - STUFF YOU DIDN'T GET TO SEE
Prototypes are the holy grails among collectors of pretty much any video game system. With that in mind though a lot of collectors seem to avoid these gems in fear of either breaking them or the prototypes breaking themselves with the what's knows as bitrot, where the data on the EPROMs start to decay.

The cool thing about prototypes is that some are completely unreleased meaning you could very well be the only one in the world owning the game or the prototype could have features that were scrapped in the final game. Prototypes are a great piece of the gaming history and if you remember to backup your prototypes there's no need to worry about loosing the games because of bitrot.

NES PROTOTYPES
TITLEPUBLISHERDEVELOPER
Cart scan available
Adventure Island 2
Adventure Island 2ReleasedHudson SoftHudson Soft
Cart scan available
Adventures of Lolo 2
Adventures of Lolo 2Released
Cart scan available
Agina's Prophecy
Agina's ProphecyUnreleased
Cart scan available
Airball
AirballUnreleasedTengenNovotrade
Cart scan available
Airball
AirballUnreleasedTengenMichtron
Cart scan available
Alien 3
Alien 3ReleasedLjnProbe Software
Cart scan available
American Gladiators
American GladiatorsReleasedGametekIncredible Technologies Inc.
Arcadia VIUnreleasedSoftware House
AstyanaxReleasedJaleco
Cart scan available
Baby Boomer
Baby BoomerReleasedColor DreamsColor Dreams
Base WarsReleasedUltra
Baseball SimulatorReleasedCulture Brain
Bashi BazookReleasedJaleco
Cart scan available
Batman Returns
Batman ReturnsReleasedKonamiKonami
Cart scan available
Battle Kid: Fortress of Peril
Battle Kid: Fortress of PerilReleased
Cart scan available
Bible Buffet
Bible BuffetReleasedWisdom TreeColor Dreams
Cart scan available
Bionic Commando
Bionic CommandoReleasedCapcomCapcom
Blaster MasterReleasedCapcom
Cart scan available
Blue Marlin
Blue MarlinReleasedHot-B USAHot-B USA
Cart scan available
Bubble Bobble Part 2
Bubble Bobble Part 2ReleasedTaito
Cart scan available
Buggy Popper
Buggy PopperReleasedVic TokaiData East (Deco)
Cart scan available
Burai Fighter
Burai FighterReleasedTaxan USA Corp.Taxan
Cart scan available
California Raisins
California RaisinsUnreleasedCapcom USARadiance Software
Cart scan available
Captain Comic
Captain ComicReleasedColor DreamsColor Dreams
Cart scan available
Captain Comic
Captain ComicReleasedColor DreamsColor Dreams
Cart scan available
Captain Planet and the Planeteers
Captain Planet and the PlaneteersReleasedMindscapeChris Gray Enterprises Inc.
Cart scan available
Captain Planet
Captain PlanetReleased
Cart scan available
Captain Planet
Captain PlanetReleasedMindscapeChris Gray Entertainment
Cart scan available
Caveman Games
Caveman GamesReleased
Cart scan available
Caveman Ninja: Joe & Mac
Caveman Ninja: Joe & MacReleasedElite SystemsElite Systems
Cart scan available
Championship Rally
Championship RallyReleasedHAL LaboratoryHAL Laboratory
Cart scan available
Chiller
ChillerReleased
Cart scan available
Crackout
CrackoutReleasedPalcomKonami
Cart scan available
Cuestick
CuestickUnreleased
Cart scan available
Darkman
DarkmanReleased
Cart scan available
Darkwing Duck
Darkwing DuckReleased
Cart scan available
Day Dreamin' Davey
Day Dreamin' DaveyReleased
Details availableCart scan available
Deathbots
DeathbotsReleased
Cart scan available
Defectors
DefectorsUnreleased
Cart scan available
Dragon Wars
Dragon WarsKemco
Cart scan available
Dragon Wars
Dragon Wars Released
Cart scan available
Duck Tales 2
Duck Tales 2Released
Cart scan available
Duck Tales
Duck TalesReleasedCapcom
Details availableCart scan available
Dudes II
Dudes IIUnreleasedAmerican Video Ent.Michael Crick
Cart scan available
Earthbound
EarthboundUnreleased
Cart scan available
Escape from Atlantis
Escape from AtlantisUnreleased
Cart scan available
F-117A Stealth Fighter
F-117A Stealth FighterReleased
Cart scan available
Faria
FariaReleased
Cart scan available
Ferarri Grand Prix Challenge
Ferarri Grand Prix ChallengeReleased
Cart scan available
Fester's Quest
Fester's QuestReleased
Cart scan available
Flintstones, The
Flintstones, TheReleased
Cart scan available
Freedom Force
Freedom ForceReleased
Cart scan available
Gargoyles Quest 2
Gargoyles Quest 2Released
Cart scan available
George Foreman's KO Boxing
George Foreman's KO BoxingReleased
Cart scan available
Goal
GoalReleased
Cart scan available
Gremlins 2
Gremlins 2ReleasedSunSoft
Cart scan available
Gremlins 2
Gremlins 2ReleasedSunSoft
Cart scan available
Hillsfar
HillsfarReleased
Cart scan available
Home Alone 2
Home Alone 2Released
Cart scan available
Hoppin' Mad
Hoppin' MadUnreleasedElite
Cart scan available
Image Fight
Image Fight Released
Cart scan available
Impossible Mission II
Impossible Mission IIReleasedS.E.I.Novotrade
Cart scan available
Impossible Mission II
Impossible Mission IIReleased
Cart scan available
Jackie Chan's Action Kung Fu
Jackie Chan's Action Kung FuReleased
Cart scan available
Kick Master
Kick MasterReleasedTaito
Cart scan available
Kid Klown
Kid Klown Released
Cart scan available
Kitty's Catch
Kitty's CatchUnreleased
Cart scan available
Krusty's Fun House
Krusty's Fun HouseReleased
Cart scan available
Legend of Wings
Legend of WingsReleased
Cart scan available
Lemmings
LemmingsReleased
Cart scan available
Little League Baseball
Little League BaseballReleased
Cart scan available
Low G Man
Low G ManReleasedTaxan
Cart scan available
Magic of Scheherazade
Magic of ScheherazadeReleased
Cart scan available
Magician
MagicianReleased
Cart scan available
Mappy Land
Mappy LandReleasedTaxan
Cart scan available
Mendel's Palace
Mendel's Palace Released
Cart scan available
Mini Putt
Mini PuttReleasedJVC
Cart scan available
Miracle Piano Teaching System
Miracle Piano Teaching SystemReleasedSoftware ToolworksSoftware Toolworks
Cart scan available
Ninja Gaiden 2
Ninja Gaiden 2ReleasedTecmo
Cart scan available
Nintendo Campus Challenge
Nintendo Campus ChallengeNintendoNintendo
Cart scan available
Noah's Ark
Noah's ArkUnreleased
Cart scan available
Orb-3D
Orb-3DReleasedHiTech ExpressionsSoftware Toolworks
Cart scan available
Pac-Man
Pac-ManReleasedTengenNamco
Cart scan available
Pacman
PacmanReleased
Cart scan available
Pala Medes
Pala Medes Released
Cart scan available
Puzznic
PuzznicReleased
Pyramids of RaUnreleased
Cart scan available
RBI Baseball 3
RBI Baseball 3Released
Cart scan available
Road Runner
Road RunnerReleasedTengenTengen
Cart scan available
Robert Byrne's Pool Challenge
Robert Byrne's Pool ChallengeUnreleasedAmerican Video Ent.Odyssey Software
Cart scan available
Rocketeer
RocketeerReleasedBandaiRealtime Associates
ScrabeusUnreleased
Cart scan available
Secret Scout
Secret ScoutReleased
Cart scan available
Simpsons: Bart Meets Radioactive Man
Simpsons: Bart Meets Radioactive ManReleased
Cart scan available
Simpsons: Bartman Meets Radioactive Man
Simpsons: Bartman Meets Radioactive ManReleasedAcclaim
Cart scan available
Skate or Die 2
Skate or Die 2Released
Cart scan available
Snoopy
SnoopyReleased
Cart scan available
Snow Brothers
Snow BrothersReleased
Cart scan available
Solar Jetman
Solar JetmanReleased
Cart scan available
Solitaire
SolitaireReleased
Cart scan available
Space Shuttle Project
Space Shuttle ProjectReleased
Cart scan available
Spy Hunter
Spy HunterReleasedSun Soft
Cart scan available
Sqoon
SqoonReleased
Cart scan available
Star Trek: The Next Generation
Star Trek: The Next GenerationReleased
Cart scan available
Star Wars
Star WarsReleased
Cart scan available
Stealth ATF
Stealth ATF Released
Cart scan available
Strider
StriderReleasedCapcom
Cart scan available
Super Dodge Ball
Super Dodge BallReleased
Cart scan available
Super Mario Bros
Super Mario BrosReleased
Cart scan available
Swamp Thing
Swamp ThingReleasedTHQ
Cart scan available
Swords & Serpents
Swords & Serpents ReleasedAcclaim
Cart scan available
Taro's Quest
Taro's QuestUnreleased
Cart scan available
Tecmo Bowl
Tecmo BowlReleasedTecmo
Cart scan available
Tetris
TetrisReleasedTengenTengen
Cart scan available
Tetris
TetrisReleased
Cart scan available
Tetris
TetrisReleasedNintendo
Cart scan available
Thunder & Lightning
Thunder & LightningReleasedRomstar
Cart scan available
Thunderbirds
ThunderbirdsReleasedActivision
Cart scan available
Tom & Jerry
Tom & JerryReleased
Cart scan available
Total Recall
Total RecallReleased
Cart scan available
Tower of Radia, The
Tower of Radia, TheUnreleasedTecmo
Cart scan available
Turbo Racing
Turbo RacingReleased
Cart scan available
Ufouria
UfouriaSunSoft
Cart scan available
Ultimate Air Combat
Ultimate Air CombatReleasedActivision
Cart scan available
Videomation
Videomation Released
Cart scan available
Vindicators
VindicatorsReleasedTengenTengen
Cart scan available
WWF Steelcage Challenge
WWF Steelcage Challenge ReleasedAcclaim
Cart scan available
WWF Wrestlemania Challenge
WWF Wrestlemania Challenge ReleasedLjn
Cart scan available
Wally Bear and the NO! Gang
Wally Bear and the NO! GangReleasedAmerican Game Carts Inc.American Game Carts Inc.
Cart scan available
Way of the Exploding Fist
Way of the Exploding FistUnreleasedBeam Software
Cart scan available
Werewolf
WerewolfReleasedData East
Cart scan available
Werewolf
WerewolfReleased
Cart scan available
Wheel of Fortune Feat. Vanna White
Wheel of Fortune Feat. Vanna White ReleasedGameTek
Cart scan available
Where in time is Carmen Sandiego
Where in time is Carmen SandiegoReleased
Cart scan available
Willow
WillowReleased
Cart scan available
Wizardry II: King of Diamonds
Wizardry II: King of DiamondsReleasedAscii Entertainment
Cart scan available
Xybots
Xybots UnreleasedTengen
Cart scan available
Yo Noid
Yo NoidReleasedCapcom
Cart scan available
Yoshi
YoshiReleased
FAMICOM PROTOTYPES
TITLEPUBLISHERDEVELOPER
Cart scan available
Bio Force Ape
Bio Force ApeUnreleasedSeta
Cart scan available
Bugs Bunny's Birthday Blowout
Bugs Bunny's Birthday BlowoutReleasedKemcoKemco
Cart scan available
Bugs Bunny's Fun House
Bugs Bunny's Fun HouseReleasedKemcoKemco
Cart scan available
Decathlon
DecathlonUnreleased
Cart scan available
Deja Vu
Deja VuReleased
Cart scan available
Dragon Warrior
Dragon Warrior Released
Cart scan available
Final Mission
Final MissionReleased
Cart scan available
Goal
GoalReleased
Cart scan available
Labyrinth
LabyrinthReleased