Invincincibility

Hold L1,DOWN,UP,LEFT,RIGHT,RIGHT,TRIANGLE,UP,RIGHT,DOWN.All Weapons
Submitted by Jon

All Weapons:

hold L1,SQUARE,CIRCLE,UP,DOWN,X,TRIANGLE.
Submitted by Jon

Stage Select:

Hold L1,TRIANGLE,UP,X,DOWN.
Submitted by Jon

All weapons and infanite ammo

Pause the game hold L1 then press triangle, square, circle, X.
Submitted by Hank McGowan 























Tips/Hints

Pesky Camera Motion

Be careful in areas where the camera angle changes. It can be a killer (literally) in areas you have to jump.

The Ammo Conservation Console

Use common sense, don't use ammo on boxes or use large ammounts on regular soldiers...