Jimmy Neutron: Boy Genius Gameshark Codes (USA)
This page contains Gameshark 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 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 Jimmy Neutron: Boy Genius (USA) CodeBreaker Codes and check for your code there instead!
Jimmy Neutron: Boy Genius Gameshark Master Code
Invulnerability: 03003986 00000055
Unlimited Health: 03003925 0000001F
Unlimited Lives: 0300150A 00000009
Unlimited Fuel: 0300398F 00000003
Unlimited Rocket Power: 050B0F54 00001FDB
Unlimited Shrink Ray + Laser: 03003992 00000020
Max Score: 230014F8 05F5E0FF
Have 99% Coin Rating (Press Select): DF034A64 00004C13
Faster Score Gain: DF00ADC0 0000A6AB