Invasion From Beyond
At the Press Start screen, press:
Level Select – L1, R1, L2, R2, Triangle, X, Circle, Square(x2), Circle, X, Triangle.
All Ships, Weapons, Upgrades – L1, R1, L2, R2, UP, DOWN, RIGHT, LEFT(x2), RIGHT, DOWN, UP.
Invasion From Beyond
At the Press Start screen, press:
Level Select – L1, R1, L2, R2, Triangle, X, Circle, Square(x2), Circle, X, Triangle.
All Ships, Weapons, Upgrades – L1, R1, L2, R2, UP, DOWN, RIGHT, LEFT(x2), RIGHT, DOWN, UP.