Team Fortress 2
29 hrs last two weeks / 748 hrs on record
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Left 4 Dead 2
15 hrs last two weeks / 37 hrs on record
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Street Fighter IV
5 hrs last two weeks / 51 hrs on record
Borderlands
2 hrs last two weeks / 115 hrs on record
Counter-Strike: Source
Defense Grid: The Awakening
25 hrs on record
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Half-Life 2
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Left 4 Dead
147 hrs on record
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Left 4 Dead 2 Demo
0 hrs on record
Left 4 Dead Authoring Tools
Portal
0 hrs on record
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Psychonauts
7 hrs on record
Source SDK
Unreal Tournament 3 Black
8 hrs on record
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