- ALL WEAPONS:
PAUSE GAME, HOLD L2, PRESS UP, LEFT, RIGHT, DOWN, TRI, SQU, O, X.
- INFINITE AMMO:
PAUSE GAME, HOLD L2, PRESS DOWN, LEFT, RIGHT, X, SQU, O.
- COLLECT SHIELD:
PAUSE GAME, HOLD L2, PRESS UP, LEFT, RIGHT, TRI, SQU, O.
- STEALTH MODE:
PAUSE GAME, HOLD L2, PRESS X, X, SQU, SQU, TRI, TRI, O, O, X, X.
- INFINITE SECONDARY ATTACKS:
PAUSE GAME, HOLD L2, PRESS UP, DOWN, LEFT, RIGHT, TRI, X, SQU, O.