Left 4 Dead 2
4.4 hrs last two weeks / 29.2 hrs on record
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Team Fortress 2
4.3 hrs last two weeks / 142.7 hrs on record
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Counter-Strike
9.3 hrs on record
Day of Defeat
Deathmatch Classic
Half-Life
Half-Life 2: Episode One
Half-Life: Blue Shift
Half-Life: Opposing Force
Left 4 Dead
120.7 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
3.5 hrs on record
Left 4 Dead Authoring Tools
Ricochet
Source SDK
Team Fortress Classic
Unreal Tournament 3 Black
7 hrs on record
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