Mega Man Zero 4 Gameshark Codes (USA)
This page contains Gameshark cheat codes for Mega Man Zero 4 (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 Mega Man Zero 4 (USA) CodeBreaker Codes and check for your code there instead!
Mega Man Zero 4 Master Code: 3BB968F3 B66E838D
Invulnerability: 90D049ED 2383A7AB
Unlimited Crystals: BDA65F34 AF5A7B09
Unlimited Health: BDA65F34 AF5A7B09
Unlimited Lives: 0F652199 29DC0527