Monster Force Gameshark Codes (USA)
This page contains Gameshark cheat codes for Monster Force (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 Monster Force (USA) CodeBreaker Codes and check for your code there instead!
Invulnerability: 030007DA 00000010
Unlimited HP: 030007E0 000000FF
Unlimited Keys: 030007D0 000000FF
Low Level Time: 0300358C 00000000
Max Attack: 03000842 000000FF
Max Force: 03000843 000000FF
Max HP: 03000840 000000FF
Begin With 50,000 Atoms