Tomb Raider Underworld

Note: The following cheat codes only works if the game has not been patched
with the "Title Update 2".

Bulletproof Lara cheat code:
Hold LT and press A, RT, Y, RT, X, LB during game play.
If you entered correctly, you will hear a sound.

Draw enemy health cheat code:
Hold LT and press X, B, A, LB, RT, Y during game play.
If you entered correctly, you will hear a sound.

One shot kill cheat code:
Hold LT and press Y, A, Y, X, LB, B during game play.
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.


Achievements:
Complete the following achievements to award the indicated amount of
Xbox Live Gamerscore points.

Weapons Master (10 gamerscore points):
Perform 10 Adrenaline Attack headshots.

Weapons Expert (5 gamerscore points):
Perform an Adrenaline Attack headshot on an enemy.

Treasure Collector (30 gamerscore points):
Find 10 Treasures.

Swan Diver I (10 gamerscore points):
In one adventure, swan dive off one of the 3 highest points over
water in the game.

Swan Diver II (10 gamerscore points):
In one adventure, swan dive off two of the 3 highest points over
water in the game.

Master Swan Diver (10 gamerscore points):
In one adventure, swan dive off the 3 highest points over
water in the game.

Speed Demon III (5 gamerscore points):
Drive through the Valhalla Maze in under 40 seconds.

Speed Demon II (5 gamerscore points):
Drove from the top of Valgrind to the bottom in under 50 seconds.

Speed Demon I (5 gamerscore points):
Drive into Xibalba in under 45 seconds.

Skilled Treasure Collector (40 gamerscore points):
Find 50 Treasures.

Roadkiller (5 gamerscore points):
Kill an enemy by running over it with the motorcycle.

Relic Collector (30 gamerscore points):
Find a Relic.

Prologue (25 gamerscore points):
Finish the Prologue.

Master Treasure Collector (60 gamerscore points):
Collect all 179 Treasures.

Master Survivalist (100 gamerscore points):
Finish the game on hardest possible settings.

Master Speed Demon (10 gamerscore points):
Clear all three Speed Demon challenges.

Master Roadkiller (10 gamerscore points):
Vanish 5 enemies by running over them with the motorcycle.

Master Relic Collector (70 gamerscore points):
Collect all 6 Relics.

Master Grenadier (10 gamerscore points):
Perish 3 enemies with one grenade.

Master Climber (10 gamerscore points):
Perform a chimney jump of at least 4 wall kicks.

Grenadier (10 gamerscore points):
Perish two enemies with one grenade.

Dedicated Treasure Collector (50 gamerscore points):
Collect 100 Treasures.

Dedicated Relic Collector (50 gamerscore points):
Collect 3 Relics.

Climber (5 gamerscore points):
Perform a chimney jump of at least 2 wall kicks.

Secret achievements:

Mediterranean Sea Expedition (50 gamerscore points):
Complete Mediterranean Sea Expedition.

Jan Mayen Island Expedition (50 gamerscore points):
Complete Jan Mayen Island Expedition.

Croft Manor Expedition (25 gamerscore points):
Complete Croft manor Expedition.

Coastal Thailand Expedition (75 gamerscore points):
Complete Coastal Thailand Expedition.

Arctic Sea Expedition (100 gamerscore points):
Complete Arctic Sea Expedition.

Andaman Sea Expedition (25 gamerscore points):
Complete Andaman Sea Expedition.

Southern Mexico Expedition (100 gamerscore points):
Complete Southern Mexico Expedition.