Tomb Raider - Underworld

Cheat Codes:
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Enter during the Game. A sound will confirm correct code entry.

One shot kill     - Hold [Backspace] and press 8 during game play.
Bulletproof Lara  - Hold [Backspace] and press 7 during game play.
Draw enemy health - Hold [Backspace] and press 2 during game play.


Unlockables:
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Submitted by: RM

Successfully complete the indicated task to unlock the bonus:

Creature concept art    - Collect all the smaller treasures in each level.
Lara Croft concept art  - Collect all six Relics.
Story boards            - Successfully complete the game on the Master Survivalist difficulty.
White swimsuit          - Successfully complete the game.(for use in Mediterranean Sea level).
Arctic Sea              - Complete Arctic Sea. 
Amelia Concepts         - Complete Arctic Sea. 
Coastal Thailand        - Complete Coastal Thailand. 
Alister Concepts        - Complete Coastal Thailand. 
All Men Concepts        - Complete Southern Mexico. 
Ship and Natla Concepts - Complete Andaman Sea. 
Artifacts Concepts      - Complete Jan Mayen Island. 
Zip and Winston         - Complete the Prologue.


Achievements:
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Submitted by: RM

Complete each achievement to get the allotted gamerscore.

Code                                Result
------------------------------------------
Prologue (25)                     - Complete the Prologue.
Master Survivalist (100)          - Complete the game on hardest possible settings.
Treasure Collector (30)           - Find 10 Treasures.
Skilled Treasure Collector (40)   - Find 50 Treasures.
Dedicated Treasure Collector (50) - Find 100 Treasures.
Master Treasure Collector (60)    - Find all 179 Treasures.
Relic Collector (30)              - Find a Relic.
Dedicated Relic Collector (50)    - Find 3 Relics.
Master Relic Collector (70)       - Find all 6 Relics.
Swan Diver I (10)                 - In one adventure, swan dive off one of the three
                                    highest points over water in the game.
Swan Diver II (10)                - In one adventure, swan dive off two of the three
                                    highest points over water in the game.
Master Swan Diver (10)            - In one adventure, swan dive off the three highest
                                    points over water in the game.
Climber (5)                       - Execute a chimney jump of at least 2 wall kicks.
Master Climber (10)               - Execute a chimney jump of at least 4 wall kicks.
Speed Demon I (5)                 - Drive into Xibalba in under 45 seconds.
Speed Demon II (5)                - Drove from the top of Valgrind to the bottom in 
                                    under 50 seconds.


Treasure Hunt mode:
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Successfully complete the game. Select the "Treasure Hunt" option at the main menu
to replay the game without the puzzle completion requirements in order to collect 
any treasure missed in your previous playthrough.


Cheats:
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Hold Lock Target and press Jump, Fire, Interact, Fire, Grapple, Sprint   - Bulletproof Lara.
Hold Lock Target and press Interact, Jump, Interact, Grapple, Sprint     - One-Shot Kill.
Hold Target Lock and press Grapple, Crouch, Jump, Sprint, Fire, Interact - Show Enemy Health.