Team Fortress 2
28.3 hrs last two weeks / 206.6 hrs on record
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Left 4 Dead 2
1.1 hrs last two weeks / 23.8 hrs on record
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Plants vs. Zombies
0.2 hrs last two weeks / 26.9 hrs on record
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Bioshock
Borderlands
53.2 hrs on record
Braid
5.9 hrs on record
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Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Counter-Strike: Source
Day of Defeat
Day of Defeat: Source
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Deathmatch Classic
Evil Genius
Freedom Force
1.6 hrs on record
Freedom Force vs. the 3rd Reich
GRID
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
0.4 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
0.2 hrs on record
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Half-Life: Source
Half-Life Deathmatch: Source
Left 4 Dead
19.1 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
1.6 hrs on record
Left 4 Dead Authoring Tools
Mirror's Edge
Monkey Island Special Edition
Osmos
5.3 hrs on record
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Portal
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Ricochet
SiN 1
SiN 1 Multiplayer
SiN Episodes: Emergence
Source SDK
Team Fortress Classic
Torchlight
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