Extra OptionsAt the Press Start screen, press Triangle, Square, Circle, Left, Square, Triangle, Square, Circle, Left, Square, all within three seconds.
Stage SelectFirst enter the code above, Extra Options. Then, at the Press Start screen, press Left, Right, X, Triangle, Left, Up, all within three seconds.
Nakomi ModeAt the Press Start screen, press Up, Up, Down, Down, Left, Right, Left, Right, X, Circle, all within three seconds.
Big Head PlayerAt the Press Start screen, press Square, Circle, Circle, Square, Up, Square, Circle, Circle, Square, Triangle, all within three seconds.
Big Head AliensAt the Press Start screen, press Square, Circle, Circle, Square, Up, Square, Circle, Circle, Square, X, all within three seconds.
Turbo ModeAt the Press Start screen, press X, Square, Triangle, Circle, X, Square, Triangle, Circle, L2, R2, all within three seconds.
Grayscale GraphicsAt the Press Start screen, press X, X, Triangle, Triangle, Square, Square, Circle, Circle, all within three seconds.
Sepia GraphicsAt the Press Start screen, press Left(10x), within three seconds.
