All Weapons
and Infinite Ammo:
While playing, go to pause screen and press Square, Cicle, R1, L1.
All Levels:
At the main menu, press and hold Square + L1 + R1 and then press UP, DOWN, LEFT, RIGHT.
Infinite Heath:
At the main menu, press and hold R1 and L1 and then press Square, Triangle, RIGHT, LEFT,
Cirlce, Square, Square, RIGHT.
Atomic explosion:
Press Start, then LEFT(x2), RIGHT(x2), Cirlce, Square.
