Tomb Raider - Underworld - Platform: XBox 360

White swimsuit:
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Successfully complete the game on any difficulty to unlock the white swimsuit 
for use in the Mediterranean Sea Expedition.


Treasure Hunt mode:
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Successfully complete the game on any difficulty to unlock Treasure Hunt mode, 
which allows the game to be replayed without the puzzle completion requirements 
in order to collect any treasure missed in your previous playthrough.


Bonus concept art:
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Successfully complete the indicated task to unlock the corresponding concept art 
at the "Extras" menu:

Creature Concepts: Collect all treasures. 
Environment Concept Art for Arctic Sea and Amelia Concepts: Successfully 
complete Arctic Sea Expedition. 
Environment Concept Art for Coastal Thailand and Alister Concepts: 
Successfully complete Coastal Thailand Expedition. 
Environment Concept Art for Croft Manor and Doppelganger Concepts: 
Successfully complete Croft Manor Expedition. 
Environment Concept Art for Med Sea and Amanda Concepts: Successfully complete 
Mediterranean Sea Expedition. 
Environment Concept Art for Mexico and All Men Concepts: Successfully complete 
Southern Mexico Expedition. 
Environment Concept Art for Ship and Natla Concepts: Successfully complete 
Andaman Sea Expedition. 
Environment Concept Art for Jan Mayen Island, Gear, and Artifacts Concepts: 
Successfully complete Jan Mayen Island Expedition. 
Game Flow Storyboards: Successfully complete the game on the Master 
Survivalist difficulty. 
Lara Concepts: Collect all six Relics. 
Zip and Winston Concepts: Successfully complete the Prologue. 


Achievements:
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Accomplish the indicated achievement to get the corresponding number of 
Gamerscore points:

Prologue (25 points): Complete the Prologue. 
Master Survivalist (100 points): Complete the game on hardest possible 
settings. 
Treasure Collector (30 points): Find 10 Treasures. 
Skilled Treasure Collector (40 points): Find 50 Treasures. 
Dedicated Treasure Collector (50 points): Find 100 Treasures. 
Master Treasure Collector (60 points): Find all 179 Treasures. 
Relic Collector (30 points): Find a Relic. 
Dedicated Relic Collector (50 points): Find 3 Relics. 
Master Relic Collector (70 points): Find all 6 Relics. 
Swan Diver I (10 points): In one adventure, swan dive off one of the three 
highest points over water in the game. 
Swan Diver II (10 points): In one adventure, swan dive off two of the three 
highest points over water in the game. 
Master Swan Diver (10 points): In one adventure, swan dive off the three 
highest points over water in the game. 
Climber (5 points): Execute a chimney jump of at least 2 wall kicks. 
Master Climber (10 points): Execute a chimney jump of at least 4 wall kicks. 
Speed Demon I (5 points): Drive into Xibalba in under 45 seconds. 
Speed Demon II (5 points): Drove from the top of Valgrind to the bottom in 
under 50 seconds. 
Speed Demon III (5 points): Drive through the Valhalla Maze in under 40 
seconds. 
Master Speed Demon (10 points): Beat all three Speed Demon challenges. 
Roadkiller (5 points): Kill an enemy by running over it with the motorcycle. 
Master Roadkiller (10 points): Kill five enemies by running over them with the 
motorcycle. 
Grenadier (10 points): Kill two enemies with one grenade. 
Master Grenadier (10 points): Kill three enemies with one grenade. 
Weapons Expert (5 points): Execute an Adrenaline Attack headshot on an enemy. 
Weapons Master (10 points): Execute ten Adrenaline Attack headshots.