ps3cheats

Get All Weapons:
To get all of the weapons in the game, pause and press these buttons at the same time: L1, L2, R1, R2, L3, then press SELECT.

Get Tons of Health:
To fill your health meter to 999, pause the game and press all the shoulder buttons (L1, L2, R1, R2) and press SELECT. You"ll still take damage, but you"ll be a lot heartier.
Recharge Your Armor:
To recharge your armor when damaged, pause the game, then press and hold L1 and R1, then press SELECT. This will put your armor rating back up to 100.