- EXTRA AMMO:
PAUSE GAME, HOLD L1 & L2 FOR 10 SECONDS, PRESS TRI, LEFT, LEFT, LEFT, O, TRI, DOWN.
- LEVEL SKIP:
PAUSE GAME, HOLD L1 & L2 FOR 10 SECONDS, PRESS LEFT, TRI, X, RIGHT, O, TRI, DOWN.
- REFILL HEALTH:
PAUSE GAME, HOLD L1 & L2 FOR 10 SECONDS, PRESS DOWN, RIGHT, LEFT, TRI, RIGHT, DOWN.
- WEAPON POWER-UP:
PAUSE GAME, HOLD L1 & L2 FOR 10 SECONDS, PRESS LEFT, UP, X, O.