BackTrack Cheats for Gameboy Advance
Unlock Cheat mode:
Press Select at the Dark Side Of The Moon menu.
Then push L, Right, B, L,
R, Left to unlock the Build Secret Base option.
Then enter the Build Secret
Base screen and push A. Use the following passwords:
WEAP
Unlock All Weapons
AMMO
Unlock Unlimited ammunition
GOD
Unlock Invincibility
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