Tomb Raider: Underworld cheats and cheat codes for Playstation 3

One shot kill cheat code:
Hold L2 and press Triangle, X, Triangle, Square, L1, O while playing.
If you entered correctly, you will hear a sound.

Draw enemy health cheat code:
Hold L2 and press Square, O, X, L1, R2, Triangle while playing.
If you entered correctly, you will hear a sound.

Bulletproof Lara cheat code:
Hold L2 and press X, R2, Triangle, R2, Square, L1 while playing.
If you entered correctly, you will hear a sound.


Unlockable concept arts:

Environment Concept arts:
EC. Art for Ship and Natla Concepts: Complete Andaman Sea level.
EC. Art for Mexico and All Men Concepts: Complete Southern Mexico level.
EC. Art for Med Sea and Amanda Concepts: Complete Mediterranean Sea level.
EC. Art for Croft Manor and Doppelganger Concepts: Complete Croft Manor level.
EC. Art for Arctic Sea and Amelia Concepts: Complete Arctic Sea level.

EC. Art for Coastal Thailand and Alister Concepts:
Complete Coastal Thailand level.

EC. Art for Jan Mayen Island and Gear and Artifacts Concepts:
Complete Jan Mayen Island level.


Creature Concepts:
Have all treasures.

Game Flow Storyboards:
Complete the game on the Master Survivalist difficulty setting.

Lara Concepts:
Have all six relics.

Zip and Winston Concepts:
Complete the Prologue.

New outfit - white swimsuit:
Finish the whole game to get a new option to outfit Lara in a swimsuit.
You can select the swimsuit in the Mediterranean Sea level.

Treasure Hunt mode:
Once you completed the game, you can replay the game without the puzzle
completion requirements by choosing the "Treasure Hunt" option at the
main menu. You can collect any treasure missed in your previous
game play.