Duke Nukem Advance Alien Ship Level 1 Codes (USA)
This page contains Codebreaker cheat codes for Duke Nukem Advance (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 Duke Nukem Advance (USA) Gameshark Codes and check for your code there instead!
Unlimited Health On Level
Unlimited Armor On Level
Rapid Fire On Level
No Clipping Mode On Level
Have All Weapons On Level
Have All Cards On Level
Unlimited Ammo for Pistols
Unlimited Ammo for Shotguns
Unlimited Ammo for MP5
Unlimited Ammo for Rocket Launcher
Unlimited Ammo for Pipe Bombs
Unlimited Ammo for Freezer & Shrink Ray
Unlimited Ammo for All Weapons