Blender Bros. GameShark Codes (USA)
This page contains GameShark cheat codes for Blender Bros. (USA). If you're playing on an emulator you can usually input codes very easily by accessing a tab off the top of the toolbar. Anyone playing on a physical Gameboy will need to purchase a physical Gameshark device to use these codes.
If you're using an emulator and still can't figure out how to setup these codes, you're in luck! There's two common emulators for GBA games, the mGBA and VisualBoy Advance. Follow the link provided for the emulator you're using to be taken to a guide explaining how to get these codes working.
Don't see the code you're looking for on this page? Head on over to my Blender Bros. (USA) CodeBreaker Codes and check for your code there instead! Alternatively,
(Master Codes) Must Be On
1C1C9A62 C8390EB4
A8467BC1 77400563
Unlimited Health: 9BB718F4 74C25591
Unlimited Lives: 0F4F906B 20DFAF39
Levels Unlocked: A84F616C D0CE7C2F
Max Bones: C4FF9E8C 18859F37
Mini Bros Unlocked: 39E1F8B6 634C2729
Press L+R To Access Debug Menu
3D7B82CC 878A4667
439B6256 39859717