Prototypes by system/NES

1943: The Battle of Midway (Prototype B)

1943: The Battle of Midway (Prototype C)

1943: The Battle of Midway (Prototype)

2002 World Cup PK (PAL prototype)

A Week of Garfield (Prototype)

A Week of Garfield (Ver 0.9 prototype)

Addams Family (Aug 2, 1991 prototype)

Addams Family (Prototype B)

Advanced Dungeons & Dragons: Heroes of the Lance (prototype)

Advanced Dungeons & Dragons: Hillsfar (Prototype)

Advanced Dungeons & Dragons: Pool of Radiance (Prototype)

Adventure Island II (Prototype)

Adventure Island III (Prototype)

Adventures in the Magic Kingdom (Early prototype)

Adventures in the Magic Kingdom (Prototype)

Adventures of Dr. Franken (Prototype)

Adventures of Rad Gravity (Jul 31, 1990 prototype)

Air Fortress (Mar 3, 1989 prototype)

Airball (Prototype C)

Aladdin (Aug 23, 1994 prototype)

Alpha Mission (Japanese prototype)

Arcadia VI (Jun 24, 1991 prototype)

Archon (Prototype B)

Archon (Prototype)

Arkanoid II (prototype B)

Arkanoid II (prototype)

Atlantis no Nazo (Prototype)

Bad News Baseball (Prototype)

Bakushou!! Jinsei Gekijou (Early prototype)

Bakushou!! Jinsei Gekijou (Oct 13, 1988 prototype)

Baltron (prototype)

Banana (Earlier prototype)

Banana (Jun 30, 1986 prototype)

Bases Loaded (Dec 16, 1987 prototype)

Bashi Bazook: Morphoid Masher (May 29, 1989 prototype)

Batman (Aug 1989 prototype)

Batman (Earlier prototype)

Batman Returns (PAL prototype)

Batman: Return of the Joker (Prototype)

Battletoads (Prototype)

Beetlejuice (Prototype)

Bio Force Ape (Prototype)

Bio Force Ape (US Prototype)

Bionic Commando (Prototype)

Bird Week (prototype)

Blaster Master (May 20, 1988 prototype)

Block Out (Prototype)

Bomberman II (Prototype)

Boogerman: A Pick and Flick Adventure (Apr, 1996 Prototype)

Bubble Bobble (NES Prototype)

Buzz & Waldog (Prototype B)

Buzz & Waldog (Prototype)

Cadillac (sample)

Caesar's Palace (Prototype B)

Caltron 9-in-1 (Prototype)

Castlequest (Prototype)

Caveman Ninja: Joe & Mac (Prototype)

Chester Field: Ankoku Shin heno Chousen (Prototype)

Chester Field: Ankoku Shin heno Chousen (US prototype)

Chip 'N Dale: Rescue Rangers (Prototype)

Chip's Challenge (v0.924B prototype)

Chuck Yeager's Fighter Combat (Prototype)

Clash at Demonhead (Japanese prototype)

Color Dreams Color Test

Color a Dinosaur (prototype)

Columbus: Ougon no Yoake (Prototype)

Contra (Sample Prototype)

Contra (Test Prototype)

Crazy Land (May 27, 1991 prototype)

Crisis Force (prototype)

Crossbow (Early prototype)

Cygnus Force (prototype)

Darkwing Duck (NES prototype)

Day Dreamin' Davey (Prototype)

Death Race (prototype)

Defenders of Dynatron City (Prototype)

Deja Vu (April 28, 1990 prototype)

Deja Vu (Jul 3, 1990 prototype)

Deja Vu (May 15, 1990 prototype)

Deja Vu (May 8, 1990 prototype)

Densetsu no Kishi: Elrond (Prototype)

Digger T. Rock: The Legend of the Lost City (Prototype)

Dino Hockey (Dec 18, 1990 prototype)

Dino Hockey (Prototype)

Double Dragon (NES prototype)

Double Dragon II: The Revenge (sample)

Double Dragon III: The Sacred Stones (Tradewest prototype)

Dr. Mario (Apr 27, 1990 prototype)

Dr. Mario (Prototype C)

Dr. Mario (Prototype)

Drac's Night Out (Prototype)

Dragon Warrior II (Prototype)

Dragon Wars (US Prototype)

Dreamworld Pogie (Prototype)

Dropzone (Oct 6, 1992 prototype)

DuckTales (Feb 5, 1989 Prototype)

DuckTales (Japanese prototype)

DuckTales (May 25, 1989 Prototype)

DuckTales 2 (PAL Prototype A)

DuckTales 2 (PAL Prototype B)

Dudes II (Prototype)

EarthBound Beginnings ("Earth Bound" Prototype)

Earthworm Jim 2 (Test Version)

Elite (Feb 14, 1992 prototype)

Exerion (PAL prototype)

F-1 Race (Prototype)

F-117A Stealth Fighter (Jul 9, 1992 prototype)

F-15 Strike Eagle (Prototype)

Famicom Shogi: Ryuu-Ou-Sen (prototype)

Ferrari Grand Prix Challenge (Prototype)

Fester's Quest (Prototype)

Fighting Simulator World Champ (Prototype)

Final Fantasy (Prototype)

Final Fantasy II (US Prototype)

Flight of the Intruder (Prototype)

Flying Warriors (Prototype)

Frankenstein: The Monster Returns (Prototype)

Freedom Force (Dec 29, 1987 prototype)

G.I. Joe: The Atlantis Factor (Prototype B)

G.I. Joe: The Atlantis Factor (Prototype)

Galaga (1983 Atari prototype)

Galaxy 5000: Racing in the 51st Century (Prototype B)

Galaxy 5000: Racing in the 51st Century (Prototype)

Gargoyle's Quest II (Jun 12, 1992 prototype)

Gauntlet (Feb 24, 1988 prototype)

Getsu Fuuma Den (prototype)

Ghost Lion (Mar 5, 1992 prototype)

Ghostbusters (Prototype)

Ghoul School (Prototype)

Gimmick! (Japan prototype)

Global Gladiators (Jul 9, 1993 prototype)

Global Gladiators (Jun 16, 1993 prototype)

Global Gladiators (Jun 30, 1993 prototype)

Global Gladiators (May 28, 1993 prototype - A)

Global Gladiators (May 28, 1993 prototype)

Golf Grand Slam (Prototype)

Gorby no Pipeline Daisakusen (prototype)

Gremlins 2: The New Batch (European prototype)

Gremlins 2: The New Batch (Prototype)

Gremlins 2: The New Batch (US prototype)

Guardic Gaiden (Dec 9, 1987 prototype)

Gun.Smoke (Prototype)

Happily Ever After (Prototype)

Hard Drivin' (Prototype)

Hatris (Prototype B)

Hatris (Prototype)

Heavy Shreddin' (prototype)

HeroQuest (Aug 21, 1992 prototype)

HeroQuest (May 5, 1992 prototype)

High Speed (Feb 28, 1991 prototype)

Hit the Ice (Prototype A)

Hit the Ice (Prototype B)

Hitler no Fukkatsu: Top Secret (Japanese prototype)

Hokuto no Ken (prototype)

Hook (NES Prototype)

Hoops (Prototype)

Hoppin' Mad (prototype)

Hottarman no Chitei Tanken (prototype)

Ikinari Musician (Prototype)

Indora no Hikari (Aug 15, 1987 prototype)

Iron Tank: The Invasion of Normandy (Prototype)

Jordan vs Bird: One on One (Prototype)

Kick Off (Prototype)

Kid Klown in Night Mayor World (Prototype)

King Neptune's Adventure (Prototype)

Kitty's Catch (Prototype B)

Kiwi Kraze (Prototype)

KlashBall (Prototype)

Klax (NES Prototype)

Krazy Kreatures (prototype)

Kyuukyoku Harikiri Stadium (Prototype)

Legendary Wings (Prototype)

Little Nemo: The Dream Master (Prototype)

Low G Man: The Low Gravity Man (Prototype)

M.C. Kids (Prototype B)

M.C. Kids (Prototype)

Magi Cube (prototype)

Magic Darts (Prototype)

Magic Johnson's Fast Break (Prototype)

Magical Doropie (Prototype)

Magical Puzzle Popils (Incomplete prototype)

Magician (Mar 2, 1990 prototype)

Magician (Prototype A)

Magician (Prototype B)

Magician (Prototype D)

Makai Island (US prototype)

Maniac Mansion (NES Prototype)

Marble Madness (Prototype)

Maxivision 30-in-1 (prototype)

Maxivision 30-in-1 Super Games (Aug 9, 1991 prototype)

Mega Man 3 (Prototype)

Mega Man IV (Prototype)

Metal Max (prototype)

Mezase Pachi Pro: Pachio-kun (prototype)

Mickey Mouse III: Yume Fuusen (US Prototype)

Mickey's Adventures in Numberland (Prototype)

Mike Ditka's Big Play Football (Prototype)

Mike Tyson's Punch-Out!! (prototype)

Millipede (Namco prototype)

Milon's Secret Castle (Prototype)

Mini-Putt (Prototype)

Moero!! Junior Basket: Two on Two (Prototype)

Moero!! Pro Yakyuu (Famicom prototype)

Monster in My Pocket (Apr 22, 1991 prototype)

Mr. Gimmick (June 18, 1992 prototype)

Muppet Adventure: Chaos at the Carnival (Prototype)

NARC (Uncensored prototype)

NES Open Tournament Golf (Prototype)

NES Play Action Football (Prototype)

Nantettatte!! Baseball (Dec 22, 1989 prototype)

New Ghostbusters II (USA Prototype)

Nigel Mansell's World Championship Racing (Prototype)

Nigel Mansell's World Championship Racing (Sep 29, 1992 prototype)

Ninja Crusaders (Prototype)

Ninja Gaiden (NES Prototype)

Ninja Gaiden II: The Dark Sword of Chaos (Jan 18, 1990 prototype)

Ninja Gaiden III: The Ancient Ship of Doom (Prototype)

Ninja Hattori-kun (prototype)

Ninja Jajamaru: Ginga Daisakusen (Prototype)

Nishimura Kyoutarou Mystery: Blue Train Satsujin Jiken (Prototype)

Ochin ni Toshi Puzzle Tonjan! (Prototype)

Overlord (Prototype)

Pac-Man (Prototype)

Pac-Man (Unlicensed prototype)

Panic! Dizzy (Prototype)

Parodius (PAL Prototype)

Parody World: Monster Party (Japanese prototype)

Perfect Bowling (Prototype)

Pescatore (prototype)

Pinball Quest (US prototype)

Pipe Dream (Prototype)

Police Academy (Nov 30, 1990 prototype)

Populous (NES prototype)

Power Punch II (Prototype)

Princess Tomato in the Salad Kingdom (Jun 30, 1990 prototype)

Pro Sport Hockey (Prototype)

Puss N Boots: Pero's Great Adventure (Japanese prototype)

Puzzle (Prototype)

R.B.I. Baseball 2 (Mar 7, 1990 prototype)

Rad Racket: Deluxe Tennis II (Prototype)

Raid 2020 (Dec 1989 prototype)

Rainbow Islands: The Story of Bubble Bobble 2 (Prototype)

Rally Bike (Prototype A)

Rally Bike (Prototype B)

Rampart (Prototype)

Rampart (sample)

Renegade (Sep 14, 1987 prototype)

RoadBlasters (Prototype)

Robin Hood: Prince of Thieves (May 16, 1991 prototype)

RoboCop (NES Prototype)

RoboCop 2 (Prototype)

RoboCop Versus The Terminator (NES Prototype)

Rockin Kats (Prototype)

Rygar (Prototype)

S.C.A.T.: Special Cybernetic Attack Team (Prototype B)

S.C.A.T.: Special Cybernetic Attack Team (Prototype)

Saiyuuki World (Prototype)

Scanner (Prototype)

Scarabeus (Prototype)

Secret Ties (prototype)

Sensible Soccer (NES prototype)

Sesame Street: Countdown (Prototype)

Shadow of the Ninja (Oct 16, 1990 prototype)

Shadowgate (NES Prototype)

Shadowgate (November, 1988 prototype)

Shanghai (Oct 16, 1986 prototype)

Shatterhand (Prototype)

SilkWorm (Prototype)

SimCity (NES prototype)

Ski or Die (Prototype)

Skull & Crossbones (Prototype)

Solomon's Key (Prototype)

Solomon's Key 2 (Fire 'n Ice prototype)

Solstice: The Quest for the Staff of Demnos (prototype)

Space Hunter (Prototype A)

Space Hunter (Prototype B)

Spiritual Warfare (Prototype)

Splatterworld: Rick to Kyoufu no Daiou (Prototype)

Spy vs Spy: The Island Caper (Prototype)

Square Deal (Prototype)

Squashed (US prototype)

Stanley: The Search for Dr. Livingston (Prototype A)

Stanley: The Search for Dr. Livingston (Prototype B)

Star Force (Prototype)

Star Soldier (Prototype)

Star Trek V: The Final Frontier (Prototype)

Star Wars (USA NES Prototype)

Star Wars: The Empire Strikes Back (NES Prototype A)

Star Wars: The Empire Strikes Back (NES Prototype B)

Street Fighter 2010 (Bung Game Master Potential Prototype)

Street Fighter 2010: The Final Fight (Prototype)

Strider Hiryu (Prototype)

Sunman (Early Superman Prototype)

Sunman (Prototype)

Super Dimension Fortress Macross (prototype)

Super Glove Ball (Prototype)

Super Kick Off (Prototype)

Super Mario Bros. + Duck Hunt + World Class Track Meet (Prototype)

Super Mario Bros. 2 (prototype)

Super Pinball (May 15, 1988 prototype)

Super Pitfall II (Localization Prototype)

Super Sushi Pinball (US prototype)

Superman (Nov 3, 1987 prototype)

Sweet Home (Prototype)

Sword Master (May 15, 1991 prototype)

Sword Master (Prototype B)

Takeshi no Sengoku Fuuunji (Jun 4, 1988 prototype)

Takeshi no Sengoku Fuuunji (prototype)

Taro's Quest (US prototype)

Tecmo Bowl (Oct 12, 1987 prototype)

Tecmo Cup: Soccer Game (Prototype)

Tecmo Super Bowl (Aug 27, 1991 prototype)

Tecmo World Wrestling (Oct 20, 1989 prototype)

Teenage Mutant Ninja Turtles (Prototype)

Tengen Tetris (Prototype A)

Tengen Tetris (Prototype B)

Tengen Tetris (Prototype C)

Tengen Tetris (Prototype D)

Terminator 2: Judgment Day (Jul 16, 1991 prototype)

Terra Cresta (Dec 28, 1987 prototype)

The Addams Family: Pugsley's Scavenger Hunt (Jan 21, 1993 NTSC prototype)

The Addams Family: Pugsley's Scavenger Hunt (Jan 21, 1993 PAL prototype)

The Addams Family: Pugsley's Scavenger Hunt (Jan 25, 1993 prototype)

The Addams Family: Pugsley's Scavenger Hunt (Jan 28, 1993 NTSC prototype)

The Addams Family: Pugsley's Scavenger Hunt (Jan 28, 1993 PAL prototype)

The Addams Family: Pugsley's Scavenger Hunt (Jul 13, 1993 prototype)

The Addams Family: Pugsley's Scavenger Hunt (May 14, 1993 Prototype)

The Addams Family: Pugsley's Scavenger Hunt (NES Prototype)

The Bard's Tale: Tales of the Unknown (Japanese prototype)

The Bard's Tale: Tales of the Unknown (USA prototype A)

The Bard's Tale: Tales of the Unknown (USA prototype B)

The Blues Brothers (Prototype)

The Bugs Bunny Crazy Castle (Prototype)

The California Raisins: The Grape Escape (Prototype A)

The California Raisins: The Grape Escape (Prototype B)

The Fantastic Adventures of Dizzy (Prototype)

The Goonies II (Prototype)

The Immortal (Jun 28, 1990 prototype)

The Jetsons: Cogswell's Caper (Prototype)

The Legend of Robin Hood (Prototype)

The Lion King (Mar 7, 1994 NES prototype)

The Lion King (May 9, 1994 prototype)

The Little Mermaid (Japanese prototype)

The Lone Ranger (Jan 30, 1991 prototype)

The Simpsons: Bart vs. the Space Mutants (Prototype)

The Simpsons: Bartman Meets Radioactive Man (Prototype)

The Smurfs (Prototype)

The Three Stooges (Feb 23, 1989 prototype)

The Tower of Radia (US prototype)

The Trolls in Crazyland (Jul 9, 1992 prototype)

The Wing of Madoola (prototype)

Thomas the Tank Engine & Friends (NES Prototype)

Thunder & Lightning (Prototype)

Time Diver: Eon Man (Prototype)

Tip Off (NES prototype - Music)

Tip Off (NES prototype)

Titan Warriors (Prototype B)

Titan Warriors (Prototype)

Toki (prototype)

Trog (Apr 23, 1991 prototype)

Trog (prototype)

Trolls on Treasure Island (May 26, 1992 prototype)

Trolls on Treasure Island (Prototype)

TwinBee 3: Poko Poko Dai Maou (Prototype)

US Championship V'Ball (Prototype)

UWC (Prototype)

Ufouria: The Saga (Early prototype)

Ufouria: The Saga (US prototype)

Ultimate Air Combat (Aug 14, 1991 prototype)

Ultimate Air Combat (Prototype)

Uninvited (Aug 23, 1990 prototype)

Uninvited (Aug 30, 1990 prototype)

Uninvited (Jul 4, 1990 prototype)

Uninvited (Sep 10, 1990 prototype)

Unknown (NES CHR prototype)

Urusei Yatsura: Lum no Wedding Bell (prototype)

Venice Beach Volleyball (prototype)

Vice: Project Doom (Prototype)

Virus (1989 Prototype)

Virus (Feb 2, 1990 prototype)

Virus (PlayChoice-10 prototype)

WWF Wrestlemania: Steel Cage Challenge (Prototype)

Wally Bear and the No! Gang (Prototype)

War on Wheels (Nov 27, 1990 prototype)

War on Wheels (Prototype)

Wario's Woods (prototype)

Wheel of Fortune Featuring Vanna White (Prototype)

Whomp 'Em (Prototype)

Wily & Right no RockBoard: That’s Paradise (prototype)

Wizardry: Knight of Diamonds - The Second Scenario (prototype)

Xybots (NES Prototype)

Yo! Noid (Jul 12, 1990 prototype)

Zombie Nation (Prototype)

Zunou Senkan Galg (prototype)