Super Mario Advance 3 Altered Form CodeBreaker Codes (USA)
This page contains CodeBreaker cheat codes for Super Mario Advance 3 (USA) that alter your form. 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 that you're looking for on this page? Head on back to my Super Mario Advance 3 (USA) CodeBreaker Codes Index page and restart your search there!
Press L + Up for Helicopter form
Press L + Right for Car form
Press L + Left for Baby Mario
Press L + A for Choo Choo Train
Press L + A for Skiing Yoshi
Press L + A and B for Submarine
Press L + Down for Normal Yoshi
Press L + R + Down for Mole