Enter the following cheats during gameplay, but not while the game is paused:
All Weapons, Energy, and Shields: Press Square, Tri, Cir, Square, Tri, Square, X, Square, Cir, Tri, Square, X.
All Keys: Press Square, Tri, X, Tri, Cir, Tri, X, Tri, X, Tri, Square, X.
Invincibility: Press Tri, X, Tri, Cir, X, Tri, Square, X, Tri, X, Cir, Tri.
Cloak: Press X, Tri, Cir, Square, Cir, Tri, Square, X, Tri, X, Tri, Cir.
Full Shields: Press Tri, X, Cir, Square, Square, X, Cir, Tri, Square, X, Cir, Square.
Go Wingnut On/Off: Press Tri, Square, Cir, Tri, X, Square, Tri, Cir, Square, Tri, X, Cir.
Turbo: Press Tri, Square, Cir, X, Square, X, Cir, Square, Tri, Cir, X, X.
Extra Life: Press Tri, X, Square, Cir, Tri, X, Square, X, Cir, X, Tri, Cir.
Robots Move Fast, But Fire Slow: Press Tri, X, Square, Square, Tri, Cir, Square, X, Cir, Square, Tri, Cir.
Colors: Press Tri, X, Cir, Tri, Square, Cir, X, Tri, X, Tri, Cir, X.
Acid Mode: Press Square, Tri, Cir, Square, Tri, Square, X, Tri, X, Tri, Cir, X.
All Keys and Open All Levels: Press Tri, Square, Cir, X, Tri, Square, Tri, X, Tri, Square, X, Cir.
All Accessories: Press Square, Tri, Cir, X, X, Tri, Square, X, Cir, Square, Cir, X.
Hello Minnie!: Press X, Cir, X, Cir, X, Cir, X, Cir, X, Cir, X, Cir.