Prototypes by system/Game Boy

10-Pin Bowling (Game Boy prototype)

2097 ROM Pack II

2420 ROM Pack V

2440 ROM Pack

Alfred Chicken (Prototype)

Alien Olympics 2044 AD (Prototype)

Altered Space: A 3-D Alien Adventure (Feb 15, 1991 prototype)

Asterix (Localization prototype)

Asterix (Prototype A)

Asterix (Prototype B)

Asteroids (Game Boy Prototype)

B.C. Kid 2 (Game Boy prototype)

Baby's Day Out (Game Boy Prototype)

Baby's Day Out (Game Boy prototype)

Barbie: Game Girl (Prototype)

Battle Ships (Prototype)

Blade Warrior (Prototype)

Blaster Master Boy (Prototype)

Bomb Jack (Prototype A)

Bomb Jack (Prototype B)

Bonk's Adventure (Prototype)

Bubble Ghost (Prototype)

Buster Brothers (Prototype)

Casper (Game Boy Prototype)

Catrap (prototype)

Chou Majin Eiyuuden Wataru: Mazekko Monster (Prototype)

Cosmo Tank (US Prototype)

Darkwing Duck (Game Boy prototype)

Death Track (Prototype)

Dennis the Menace (Sep 13, 1993 prototype)

Diablo (Game Boy prototype)

Donkey Kong Land III (Prototype)

Dr. Franken (Game Boy Prototype)

Dr. Mario (Game Boy prototype)

Dropzone (Prototype)

Dungeon Warrior (Prototype)

Eclipse (prototype)

Eddie’s Puzzle Time (Prototype)

Felix the Cat (Prototype)

Frogger (March 31, 1999 prototype)

Gauntlet II (Prototype)

Ghostbusters II (Game Boy Prototype)

Global Gladiators (Jan 18, 1994 prototype)

Global Gladiators (Jul 20, 1993 prototype)

Global Gladiators (Oct 10, 1993 prototype)

Global Gladiators (Sep 27, 1993 prototype)

Hook (Game Boy prototype)

Jeep Jamboree: Off Road Adventure (Prototype)

Jet Pak Jak (Prototype)

Jet Pak Man (Prototype)

Jetpack (Prototype)

Jimmy Connors Tennis (Prototype)

Joe & Mac (Sep 28, 1992 Game Boy prototype)

John Madden Football (Prototype A)

Klustar (Early Prototype)

Kung-Fu Master (Prototype)

Learn and Play: Blackjack & Solitaire (Aug 9, 1994 prototype)

Lemmings (May 19, 1993 prototype)

Lethal Weapon (Prototype)

Loopz (Prototype)

Mega Man III (US Sample)

Metal Masters (Prototype)

Mickey's Ultimate Challenge (Nov 12, 1993 prototype)

Mighty Morphin Power Rangers (Prototype)

Mind Bender (Mar 4, 1991 prototype)

Monster Max (Apr 1, 1993 prototype)

Mortal Kombat (Game Boy prototype)

Mysterium (Prototype)

Ninja Taro (Prototype B)

Ninja Taro (Prototype)

Nintendo Game Boy Aging Cartridge

Nintendo Power GB Memory Cartridge (CS174)

Nintendo Power GB Memory Cartridge (Seminar 98)

Obelix (Prototype)

Otto's Ottifanten (Prototype)

Out of Gas (Prototype)

Pinball: Revenge of the 'Gator (Prototype)

Pokémon Crystal (Apr 3, 2001 prototype)

Pokémon Crystal (Apr 5, 2001 prototype)

Pokémon Crystal (Dec 1, 2000 prototype)

Pokémon Crystal (Dec 11, 2000 prototype)

Pokémon Crystal (Dec 13, 2000 prototype)

Pokémon Crystal (Dec 14, 2000 prototype)

Pokémon Crystal (Dec 15, 2000 prototype)

Pokémon Crystal (Dec 18, 2000 13:01 prototype)

Pokémon Crystal (Dec 18, 2000 14:02 prototype)

Pokémon Crystal (Dec 18, 2000 20:08 prototype)

Pokémon Crystal (Dec 19, 2000 prototype)

Pokémon Crystal (Dec 20, 2000 prototype)

Pokémon Crystal (Dec 22, 2000 prototype)

Pokémon Crystal (Dec 4, 2000 prototype)

Pokémon Crystal (Dec 5, 2000 prototype)

Pokémon Crystal (Dec 6, 2000 prototype)

Pokémon Crystal (Dec 8, 2000 prototype)

Pokémon Crystal (Feb 28, 2001 prototype)

Pokémon Crystal (Feb 5, 2001 prototype)

Pokémon Crystal (Jan 11, 2001 prototype)

Pokémon Crystal (Jan 18, 2001 prototype)

Pokémon Crystal (Jan 25, 2001 prototype)

Pokémon Crystal (Jan 9, 2001 prototype)

Pokémon Crystal (Jul 10, 2001 prototype)

Pokémon Crystal (Mar 1, 2001 prototype)

Pokémon Crystal (Mar 12, 2001 prototype)

Pokémon Crystal (Mar 13, 2001 15:03 prototype)

Pokémon Crystal (Mar 13, 2001 17:05 prototype)

Pokémon Crystal (Mar 14, 2001 prototype)

Pokémon Crystal (Mar 15, 2001 prototype)

Pokémon Crystal (Mar 19, 2001 prototype)

Pokémon Crystal (Mar 2, 2001 prototype)

Pokémon Crystal (Mar 21, 2001 prototype)

Pokémon Crystal (Mar 22, 2001 prototype)

Pokémon Crystal (Mar 23, 2001 prototype)

Pokémon Crystal (Mar 26, 2001 prototype)

Pokémon Crystal (Mar 27, 2001 prototype)

Pokémon Crystal (Mar 28, 2001 16:04 prototype)

Pokémon Crystal (Mar 28, 2001 18:06 prototype)

Pokémon Crystal (Mar 6, 2001 prototype)

Pokémon Crystal (Mar 7, 2001 prototype)

Pokémon Crystal (Mar 8, 2001 prototype)

Pokémon Crystal (Mar 9, 2001 prototype)

Pokémon Crystal (Nov 14, 2000 08:08 prototype)

Pokémon Crystal (Nov 14, 2000 20:08 prototype)

Pokémon Crystal (Nov 15, 2000 prototype)

Pokémon Crystal (Nov 16, 2000 prototype)

Pokémon Crystal (Nov 20, 2000 prototype)

Pokémon Crystal (Nov 21, 2000 prototype)

Pokémon Crystal (Nov 28, 2000 prototype)

Pokémon Crystal (Nov 29, 2000 prototype)

Pokémon Gold & Silver (Apr 24, 2000 prototype)

Pokémon Gold & Silver (Apr 25, 2000 15:03 prototype)

Pokémon Gold & Silver (Apr 25, 2000 23:17 prototype)

Pokémon Gold & Silver (Apr 26, 2000 prototype)

Pokémon Gold & Silver (Apr 27, 2000 prototype)

Pokémon Gold & Silver (Apr 28, 2000 prototype)

Pokémon Gold & Silver (Dec 1, 2000 prototype)

Pokémon Gold & Silver (Dec 11, 2000 prototype)

Pokémon Gold & Silver (Dec 12, 2000 18:46 prototype)

Pokémon Gold & Silver (Dec 12, 2000 19:24 prototype)

Pokémon Gold & Silver (Dec 13, 2000 prototype)

Pokémon Gold & Silver (Dec 14, 2000 prototype)

Pokémon Gold & Silver (Dec 15, 2000 prototype)

Pokémon Gold & Silver (Dec 18, 2000 13:03 prototype)

Pokémon Gold & Silver (Dec 18, 2000 21:06 prototype)

Pokémon Gold & Silver (Dec 19, 2000 prototype)

Pokémon Gold & Silver (Dec 20, 2000 18:23 prototype)

Pokémon Gold & Silver (Dec 20, 2000 20:07 prototype)

Pokémon Gold & Silver (Dec 25, 2000 prototype)

Pokémon Gold & Silver (Dec 27, 2000 prototype)

Pokémon Gold & Silver (Dec 28, 2000 prototype)

Pokémon Gold & Silver (Dec 29, 2001 build)

Pokémon Gold & Silver (Dec 4, 2000 prototype)

Pokémon Gold & Silver (Dec 6, 2000 prototype)

Pokémon Gold & Silver (Dec 7, 2000 prototype)

Pokémon Gold & Silver (Dec 8, 2000 prototype)

Pokémon Gold & Silver (Feb 21, 2002 build)

Pokémon Gold & Silver (Feb 5, 2001 build)

Pokémon Gold & Silver (Feb 7, 2001 prototype)

Pokémon Gold & Silver (Jan 10, 2001 prototype)

Pokémon Gold & Silver (Jan 12, 2001 17:05 prototype)

Pokémon Gold & Silver (Jan 12, 2001 20:30 prototype)

Pokémon Gold & Silver (Jan 15, 2001 prototype)

Pokémon Gold & Silver (Jan 16, 2001 prototype)

Pokémon Gold & Silver (Jan 17, 2001 prototype)

Pokémon Gold & Silver (Jan 18, 2001 prototype)

Pokémon Gold & Silver (Jan 19, 2001 prototype)

Pokémon Gold & Silver (Jan 26, 2001 prototype)

Pokémon Gold & Silver (Jan 29, 2001 prototype)

Pokémon Gold & Silver (Jan 30, 2001 prototype)

Pokémon Gold & Silver (Jan 5, 2001 prototype)

Pokémon Gold & Silver (Jan 9, 2001 prototype)

Pokémon Gold & Silver (Jul 3, 2000 prototype)

Pokémon Gold & Silver (Jul 5, 2000 prototype)

Pokémon Gold & Silver (Jul 6, 2000 prototype)

Pokémon Gold & Silver (Jun 1, 2000 prototype)

Pokémon Gold & Silver (Jun 12, 2000 prototype)

Pokémon Gold & Silver (Jun 13, 2000 prototype)

Pokémon Gold & Silver (Jun 15, 2000 prototype)

Pokémon Gold & Silver (Jun 16, 2000 prototype)

Pokémon Gold & Silver (Jun 19, 2000 prototype)

Pokémon Gold & Silver (Jun 2, 2000 prototype)

Pokémon Gold & Silver (Jun 20, 2000 prototype)

Pokémon Gold & Silver (Jun 21, 2000 prototype)

Pokémon Gold & Silver (Jun 22, 2000 prototype)

Pokémon Gold & Silver (Jun 23, 2000 prototype)

Pokémon Gold & Silver (Jun 26, 2000 prototype)

Pokémon Gold & Silver (Jun 27, 2000 prototype)

Pokémon Gold & Silver (Jun 28, 2000 prototype)

Pokémon Gold & Silver (Jun 29, 2000 prototype)

Pokémon Gold & Silver (Jun 30, 2000 15:00 prototype)

Pokémon Gold & Silver (Jun 30, 2000 18:00 prototype)

Pokémon Gold & Silver (Jun 6, 2000 prototype)

Pokémon Gold & Silver (Jun 7, 2000 prototype)

Pokémon Gold & Silver (Jun 8, 2000 prototype)

Pokémon Gold & Silver (Jun 9, 2000 16:24 prototype)

Pokémon Gold & Silver (Jun 9, 2000 22:32 prototype)

Pokémon Gold & Silver (May 1, 2000 prototype)

Pokémon Gold & Silver (May 10, 2000 prototype)

Pokémon Gold & Silver (May 12, 2000 prototype)

Pokémon Gold & Silver (May 15, 2000 prototype)

Pokémon Gold & Silver (May 16, 2000 prototype)

Pokémon Gold & Silver (May 18, 2000 prototype)

Pokémon Gold & Silver (May 19, 2000 prototype)

Pokémon Gold & Silver (May 2, 2000 prototype)

Pokémon Gold & Silver (May 23, 2000 prototype)

Pokémon Gold & Silver (May 24, 2000 prototype)

Pokémon Gold & Silver (May 26, 2000 prototype)

Pokémon Gold & Silver (May 29, 2000 prototype)

Pokémon Gold & Silver (May 31, 2000 prototype)

Pokémon Gold & Silver (May 9, 2000 prototype)

Pokémon Gold & Silver (Nov 10, 2000 prototype)

Pokémon Gold & Silver (Nov 13, 2000 prototype)

Pokémon Gold & Silver (Nov 14, 2000 prototype)

Pokémon Gold & Silver (Nov 15, 2000 prototype)

Pokémon Gold & Silver (Nov 16, 2000 prototype)

Pokémon Gold & Silver (Nov 17, 2000 prototype)

Pokémon Gold & Silver (Nov 20, 2000 prototype)

Pokémon Gold & Silver (Nov 21, 2000 prototype)

Pokémon Gold & Silver (Nov 29, 2000 prototype)

Pokémon Gold & Silver (Nov 7, 2000 prototype)

Pokémon Gold & Silver (Nov 8, 2000 prototype)

Pokémon Gold & Silver (Nov 9, 2000 prototype)

Pokémon Gold & Silver (Oct 16, 2000 prototype)

Pokémon Gold & Silver (Oct 19, 2000 17:12 prototype)

Pokémon Gold & Silver (Oct 19, 2000 22:13 prototype)

Pokémon Gold & Silver (Oct 20, 2000 prototype)

Pokémon Gold & Silver (Oct 23, 2000 prototype)

Pokémon Gold & Silver (Oct 24, 2000 prototype)

Pokémon Gold & Silver (Oct 25, 2000 prototype)

Pokémon Gold & Silver (Oct 26, 1999 prototype)

Pokémon Gold & Silver (Oct 26, 2000 prototype)

Pokémon Gold & Silver (Oct 27, 2000 prototype)

Pokémon Gold & Silver (Oct 30, 2000 prototype)

Pokémon Gold & Silver (Oct 31, 2000 prototype)

Pokémon Gold & Silver (Oct 5, 2000 prototype)

Pokémon Gold & Silver (Oct 6, 1999 prototype)

Pokémon Gold & Silver (Sep 29, 1999 prototype)

Pokémon Gold & Silver (Sep 30, 1999 prototype)

Pokémon Gold & Silver (Spaceworld 1997 Demo)

Pokémon Gold & Silver (Spaceworld 1999 Demo)

Pokémon Red/Blue (Blue Aug 5, 1998 prototype)

Pokémon Yellow (Feb 10, 1999 prototype)

Pokémon Yellow (Feb 15, 1999 prototype)

Pokémon Yellow (Feb 16, 1999 prototype)

Pokémon Yellow (Feb 17, 1999 prototype)

Pokémon Yellow (Feb 18, 1999 prototype)

Pokémon Yellow (Feb 22, 1999 07:28 prototype)

Pokémon Yellow (Feb 22, 1999 10:38 prototype)

Pokémon Yellow (Feb 3, 1999 09:29 prototype)

Pokémon Yellow (Feb 3, 1999 13:07 prototype)

Populous (Prototype)

Primal Rage (Game Boy Prototype A)

Primal Rage (Game Boy Prototype B)

Prince of Persia (Altered build)

Prince of Persia (Game Boy prototype)

Probotector 2 (Sample Prototype)

R-Type II (Prototype)

Race Drivin' (Game Boy Prototype)

Raging Fighter (Prototype)

Riddick Bowe Boxing (Game Boy Prototype)

Road Rash (Game Boy Prototype)

Rockman World (Prototype)

Samurai Shodown (Game Boy Prototype)

Sarakon (Prototype)

SeaQuest DSV (Prototype)

Shin Nippon Pro Wrestling: Toukon Sanjushi (Prototype)

Soccer Boy (sample)

Spider-Man 3: Invasion of the Spider-Slayers (Apr 11, 1993 prototype)

Spider-Man 3: Invasion of the Spider-Slayers (Prototype)

Splitz (Altered build)

Star Trek: The Next Generation (Prototype)

Super Mario Land 2: 6 Golden Coins (Oct 21, 1992 build)

Super Off Road (Game Boy Prototype)

Super Scrabble (Prototype)

Taz-Mania 2 (Prototype)

Teenage Mutant Ninja Turtles II: Back from the Sewers (May 20, 1991 prototype)

Teenage Mutant Ninja Turtles II: Back from the Sewers (Prototype B)

Tesserae (Prototype)

Tetris (Jun 14, 1989 prototype)

The Adventures of Rocky and Bullwinkle (Game Boy prototype)

The Blues Brothers (Game Boy Prototype)

The Chessmaster (prototype)

The Lawnmower Man (Game Boy Prototype)

Tintin: Prisoners of the Sun (Prototype)

Tiny Toon Adventures: Babs' Big Break (Jul 16, 1991 prototype)

Tiny Toon Adventures: Babs' Big Break (Sep 6, 1991 prototype)

Tom and Jerry: Frantic Antics! (Prototype)

Track Meet (prototype)

Triumph (Prototype)

Twinkle Popo (prototype)

Ultra Golf (Nov 20, 1991 prototype)

Wordtris (prototype)

World Beach Volley: 1992 GB Cup (Prototype)

X (Gameboy Tech Demo)

Yoshi's Cookie (Nov 21, 1992 build)

Zoop (Game Boy prototype)