Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Andaman Sea Expedition ( 25 points )	Andaman Sea Expedition successfully completed.
Arctic Sea Expedition ( 100 points )	Arctic Sea Expedition successfully completed.
Climber ( 5 points )	Execute a chimney jump of at least 2 wall kicks.
Coastal Thailand Expedition ( 75 points )	Coastal Thailand Expedition successfully completed.
Croft Manor Expedition ( 25 points )	Croft manor Expedition successfully completed.
Dedicated Relic Collector ( 50 points )	Find 3 Relics.
Dedicated Treasure Collector ( 50 points )	Find 100 Treasures.
Grenadier ( 10 points )	Kill two enemies with one grenade.
Jan Mayen Island Expedition ( 50 points )	Jan Mayen Island Expedition successfully completed.
Master Climber ( 10 points )	Execute a chimney jump of at least 4 wall kicks.
Master Grenadier ( 10 points )	Kill three enemies with one grenade.
Master Relic Collector ( 70 points )	Find all 6 Relics.
Master Roadkiller ( 10 points )	Kill five enemies by running over them with the motorcycle.
Master Speed Demon ( 10 points )	Beat all three Speed Demon challenges.
Master Survivalist ( 100 points )	Complete the game on hardest possible settings.
Master Swan Diver ( 10 points )	In one adventure, swan dive off the three highest points over water in the game.
Master Treasure Collector ( 60 points )	Find all 179 Treasures.
Mediterranean Sea Expedition ( 50 points )	Mediterranean Sea Expedition successfully completed.
Prologue ( 25 points )	Complete the Prologue.
Relic Collector ( 30 points )	Find a Relic.
Roadkiller ( 5 points )	Kill an enemy by running over it with the motorcycle.
Skilled Treasure Collector ( 40 points )	Find 50 Treasures.
Southern Mexico Expedition ( 100 points )	Southern Mexico Expedition successfully completed.
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.
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.
Treasure Collector ( 30 points )	Find 10 Treasures.
Weapons Expert ( 5 points )	Execute an Adrenaline Attack headshot on an enemy.
Weapons Master ( 10 points )	Execute ten Adrenaline Attack headshots.