Jimmy Neutron: Boy Genius Action Replay MAX Codes (USA)
This page contains Action Replay MAX cheat codes for Jimmy Neutron: Boy Genius (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 Action Replay 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 Jimmy Neutron: Boy Genius (USA) CodeBreaker Codes and check for your code there instead!
Invulnerability: 29CD4DE0 B8455CC1
Unlimited Lives: AE9BF5D4 7BF75F48
Unlimited Fuel: 73445D12 0690B5B8
Unlimited Health: 18ACC431 A44DCB91
Unlimited Shrink Ray and Laser: D6283AA5 DFBB6615
Max Score: 7CA6F683 5691D96A
Always 100%: 995045A3 5AD909C9
Gameshark Button For Slow: DBBA3A89 4CB74B94