Tomb Raider: Legend - Cheat mode

No textures:
Hold L1 and press L2, X, Circle, X, Triangle, R1 during game play.

Draw enemy health:
Hold L1 and press Square, Circle, X, L2, R1, Triangle during game play.

Unlimited assault rifle ammunition:
Hold L2 and press X, Circle, X, L1, Square, Triangle during game play.

Unlimited grenades:
Hold L2 and press L1, Triangle, R1, Circle, L1, Square during game play.

Unlimited shotgun ammunition:
Hold L2 and press R1, Circle, Square, L1, Square, X during game play.

Unlimited SMG ammunition:
Hold L2 and press Circle, Triangle, L1, R1, X, Circle during game play.

Bulletproof Lara:
Hold L1 and press X, R1, Triangle, R1, Square, L2 during game play.

One shot kill:
Hold L1 and press Triangle, X, Triangle, Square, L2, Circle during game play.

Wield Excalibur:
Hold L2 and press Triangle, X, Circle, R1, Triangle, L1 during game play.

Wield Soul Reaver:
Hold L2 and press X, R1, Circle, R1, L1, Square during game play.

Unlockable Outfits:
Outfit: Chapter: of Relics Collected:
Legend Peru 50
Doppelganger City 100
Camouflage Egypt 50
Golden Greece 100
Croft Manor Sport Greece 50
Classic Peru 100
Wetsuit City 50

Hint for Defeating the T-Rex in The lost Valley:
Shoot him until his rage is up then let him charge at you. Hold L1 Circle but dont shoot. Once the target forms on his eye then take a shot. Make sure your in front of the big spike and keep on doing that until he dies.