Chee-Chai Alien.gbc Make Game Boy Advance Compatible/Game Boy Player Compatible F01-61F-6E9 This game uses an infrared light censor and since the Game Boy Advance does not have one it was made incompatible with the Game Boy Advance. With this code you can at least access the menus for curiosity purposes and play it with the Game Boy Player.
Chee-Chai Alien.gbc Make Game Boy/Super Game Boy compatible FA4-F4D-4C1 Title screen music modifier (affects all GB modes) 084-7F8-E62 Select New Game (save must not be present otherwise you will continue) to go to Chalien animation viewer 0B4-C78-F77
Nekketsu! Beach Volley Da yo Kunio-kun Force Game Boy/Super Game Boy mode 025-E3F-E66 Basic Super Game Boy INIT commands are loaded though Game Boy mode will be forced if played using a Super Game Boy/Game Boy vice-versa.
Pokemon Trading Card Game.gbc Main menu music modifier ??1-1DA-F72 Game menu music modifier ??7-5EB-F7E
Pokemon Card GB2 - GR Dan Sanjou!.gbc Make Game Boy compatible 000-29B-E62 Show unused GBC-only screen palette in GBC mode (There is an unused black and white palette that was programmed for the GBC-only screen if shown in GBC mode.) 010-29B-E62 GBC-only screen music modifier 030-CAB-E68 Main menu music modifier ??D-77B-F72
Hoyle Card Games.gbc Skip Intro screens (music and SFX are set to off in the options menu. An unused bit in RAM $C35C h01 tells the game to bypass the intro screens and turn music and SFX off.) FA1-A8F-4C1 Play unused song everywhere BDB-99B-194 0CB-9DB-E6E BFB-A2B-190 CANNON 1 (Title, Go Fish) CANNON 2 (Old Maid) JAZZ 1 (Spades) CANNON 3 (Gin) POP 1 (Crazy 8's) JAZZPOP 1 (Hearts) CANNON 4 (Pyramid) JAZZPOP 2 (War) CANNON 5 (Klondike) JAZZ 2 (Cribbage) CANNON 5 (Golf) JAZZPOP 3 (Four Free) MENU SHORTJAZZ (unused)
Tetris DX Force GB mode in GBC mode (palettes will be wrong) 80E-15F-A28
Game & Watch Gallery Modern Manhole infinite misses/lives (first miss will appear but it will not be counted by the game internally) FA7-E09-4C1 Classic Manhole infinite misses/lives 00C-A2A-19A Modern Fire infinite misses/lives 008-EFB-19A Classic Fire infinite misses/lives 004-CEB-19A Modern Octopus infinite misses/lives 004-469-19A Tentacles do not move 00B-F3A-E6E Can not be captured by octopus 002-C79-E66 Classic Octopus infinite misses/lives (if used on first life the game will hang because it is attempting to load an invalid diver to the boat) 005-E2B-19A Tentacles do not move 00B-B6B-E66 Can not be captured by octopus 005-56B-E66 Modern Oil Panic infinite misses/lives 00D-BEB-19A 005-B6B-19A Classc Oil Panic infinite misses/lives 006-00B-19A 007-9CB-19A
Game & Watch Gallery For every 1 point you gain in every game you earn 1000 points 118-C7F-B3A Palette select ??8-2F8-E6A 01 - Inverse 02 - Darker 03 - Darkest 04 - Blank Control the demos 008-C0B-E6E
Game & Watch Gallery 2.gbc Modern Helmet Objects don't fall in stage 1 04F-21A-E66 Objects don't fall in stage 2 000-569-E6E Some objects don't hit you in stage 1 FAF-4CA-4C1 No objects in stage 3 005-7D9-E66 005-859-F7E 005-8D9-F72 Objects don't hit you in stage 1 00F-EEA-E6E Objects don't hit you in stage 2 002-299-E6E 005-B99-E6E Objects don't hit you in stage 3 007-D88-E6E 008-8A8-E6E 004-EF8-E6E
Beavis & Butthead.gb Press Start at title screen for level select 086-4FB-E66 025-97C-E6E Press Start at title screen to see credits 0A6-4FB-E66
Game & Watch Gallery 2 .gbc Modern Helmet Always play as Wario in GB/SGB mode (Wario will be saved as the interrupt save character. To normally play as Wario, get a game over in Helmet and continue. There also is a flag that can be set to $80 at ROM address 4076:07. which causes the stage to load an invalid tileset so maybe a Wario stage was planned. This affects all stages, so who knows.) 808-A2A-E6A 8C8-A4A-C44 8D8-A8A-D58 Never pay as Wario in GB/SGB/GBC mode 007-038-E68 Set unused Wario flag (GB, SGB, GBC mode. Wario must be active in order for flag to take affect) ??0-76B-E6A 01 - Crashes game 02-7F - Normal 80 - Invalid tileset Always play as Wario in GBC mode (Wario will be saved as the interrupt save character. To normally play as Wario, get a game over in Helmet and continue. There also is a flag that can be set to $80 at ROM address 4076:07. which causes the stage to load an invalid tileset so maybe a Wario stage was planned. This affects all stages, so who knows.) 806-CDA-E6A 8C6-CFA-C44 8B6-D3A-D58
Game & Watch Gallery Start game to load selected area ??1-DEF-E62 00 - Blank with Classic Fire border 01 - Blank with dawn border 02 - Title Screen 03 - Game Select 04 - Classic Fire 05 - Modern Fire 06 - Classic Manhole 07 - Modern Manhole 08 - Classic Octopus 09 - Modern Octopus 0A - Classic Oil Panic 0B - Gallery Corner 0C - Modern Oil Panic 0D - Message 1: Welcome 0E - Crashes 0F - Ending: Staff Roll 10 - Fire Mode Select (Game Boy) 11 - Fire Mode Select (Super Game Boy) 12 - Manhole Mode Select (Game Boy) 13 - Manhole Mode Select (Super Game Boy) 14 - Octopus Mode Select (Game Boy) 15 - Octopus Mode Select (Super Game Boy) 16 - Oil Panic Mode Select (Game Boy) 17 - Oil Panic Mode Select (Super Game Boy) 18 - Gallery Corner Panel: Ball 19 - Gallery Corner Panel: Parachute 1A - Gallery Corner Panel: Judge 1B - Gallery Corner Panel: Fire Attack 1C - Gallery Corner Panel: Flagman 1D - Gallery Corner Panel: Octopus 1E - Gallery Corner Panel: Manhole 1F - Gallery Corner Panel: Mario Bros. 20 - Gallery Corner Panel: Vermin 21 - Gallery Corner Panel: Chef 22 - Gallery Corner Panel: Helmet 23 - Gallery Corner Panel: Mario's Cement Factory 24 - Gallery Corner Panel: Fire 25 - Gallery Corner Panel: Turtle Bridge 26 - Gallery Corner Panel: Lion 27 - Gallery Corner Panel: Boxing 28 - Congratulations? Unused? 29 - Message: Interrupt Save 2A - Message: You did it! (Manhole) 2B - Message: You did it! (Fire) 2C - Message: You did it! (Octopus) 2D - Message: You did it! (Oil Panic) 2E - Message: You did it! (General Star Notice) 2F - Message: Secret 30 - Message: Hint (Modern Manhole) 31 - Message: Hint (Classic Manhole) 32 - Message: Hint (Modern Fire) 33 - Message: Hint (Classic Fire) 34 - Message: Hint (Modern Octopus) 35 - Message: Hint (Classic Octopus) 36 - Message: Hint (Modern Oil Panic) 37 - Message: Hint (Classic Oil Panic) 38 - Message: BGM Mute 39 - Message: You did it! (Stars in All games
Pokemon Trading Card Game.gbc Player can attach infinite energy cards to any Pokemon per turn 004-91B-E6E Opponent can not attach energy cards (affects arena and bench Pokemon) EA6-E4B-081
Super Mario Land (1.0) Enable Hard Mode (Normally accessed by completing the game once) 012-16F-E6A Enable Stage Select with Hard Mode (Normally accessed by completing the game twice) 022-16F-E6A World 1-1 music modifier ??7-B7F-F76 Super Mario Land (1.1) Enable Hard Mode (Normally accessed by completing the game once) 012-16F-E6A Enable Stage Select with Hard Mode (Normally accessed by completing the game twice) 022-16F-E6A World 1-1 music modifier ??7-CEF-F76
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