Invasion From Beyond cheats and cheat codes for Playstation

Note: This game another title is B-Movie.

Select any stage:
Push L1, R1, L2, R2, Triangle, X, Circle, Square, Square, Circle,
X, Triangle buttons at the "Press Start" screen. Then, jump back
to the "Start Mission" screen to choose any stage.

All weapons, upgrades and ships available:
Push L1, R1, L2, R2, Up, Down, Right, Left, Left, Right, Down, Up
buttons at the "Press Start" screen.