Gradius Galaxies CodeBreaker Codes (USA)
This page contains CodeBreaker cheat codes for Gradius Galaxies (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 Codebreaker 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 Gradius Galaxies (USA) Gameshark Codes and check for your code there instead!
Gradius Galaxies CodeBreaker Master Code
Invulnerability: 83004D90 0001
Unlimited Lives: 83004D46 0009
Quick Score Gain: 83004D3C FFFF
Super Speed Space Ship: 33004D9D 0004
Always Full Shield: 33005984 0009
Have All Powerups