All level access
Triangle, Square, Square, Triangle, Circle, Circle, Square, Square, Triangle, Circle, Square, Square
(Do NOT pause before entering these codes)
All keys
Square, X, Circle, Triangle, X, Triangle, Triangle, X, Triangle, X, Triangle, X
Mega Weapons
Triangle, Square, Circle, X, Triangle, Square, X, Triangle, Square, X, Circle, Square
Invulnerability
Square, Triangle, Circle, Square, Square, Triangle, Circle, Circle, Square, Triangle, Square, X
+10 lives, Mega Weapons, all level access
Triangle, X, Square, Square, Triangle, Circle, Circle, Square, Triangle, Square, Circle, X
Turbo
Square, Triangle, Circle, Square, Triangle, X, Square, X, Circle, Triangle, Square, X
Shield Recharge
Triangle, Triangle, X, Square, Triangle, C, Triangle, X, Square, X, Triangle, X
Brighter screen
Square, Triangle, Circle, Square, Square, X, Circle, Triangle, Square, Circle, X, Triangle
Cloaking Device
Triangle, Square, X, Circle, Square, X, Circle, Triangle, X, Square, X, Triangle
Strange Colors
Square, Triangle, Circle, Square, Square, Triangle, Circle, Circle, Square, Triangle, Square, X, Triangle, X, Square, Triangle
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