Defender CodeBreaker Codes (USA)
This page contains CodeBreaker cheat codes for Defender (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 you can't figure out how to make these codes work, you're in luck! You can find guides for RetroArch, mGBA, VisualBoy Advance (Depreciated) and VisualBoy Advance-M on my website. Follow the link(s) provided to learn more about how to make these codes work on the Emulator of your choice.
Defender CodeBreaker Master Code
00000CE1 000A
100254D8 0007
Unlimited Lives (XGB): 3300563C 0009
Unlimited Health (XGB): 3300563D 0005
Unlimited Bombs (XGM): 8300563E 0009
Quick Score Gain (XGM): 83005640 FFFF
Unlimited Lives (Classic & XG): 32001F59 0009
Quick Score Gain (Classic & XG): 82003304 FFFF
Unlimited Bombs (Classic & XG): 32003539 0003
Max Score (XGM)
83005640 869F
83005642 0001
Max Score (Classic & XG)
82003304 E0FF
82003306 05F5