Invincibility
————-
Pause, then hold L2 and press Up, Left, Down, Right, Triangle,
Square, X, Circle.
Unlimited Ammo
————–
Pause, then hold L2 and press Down, Left, Right, X, Square, Circle.
All Weapons
———–
Pause, then hold L2 and press Up, Left, Right, Down, Triangle, Square,
Circle, X.
Stealth Mode
————
Pause, then hold L2 and press X, X, Square, Square, Triangle, Triangle,
Circle, Circle, X, X.
Defeat Alien Troopers
———————
To defeat Alien Troopers, hold R1 and run around them, shooting them
with the laser. If they are in a group, they usually will not be paying
attention. Just stand back and shoot them in the head.
Cheat:
——
Pause the game, hold L2, and press up, down, left, right, triangle, x, square, circle.
