Team Fortress 2
4.7 hrs last two weeks / 636.7 hrs on record
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Left 4 Dead 2
3 hrs last two weeks / 9.3 hrs on record
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Bioshock
Borderlands
28 hrs on record
Counter-Strike
Counter-Strike: Source
10.4 hrs on record
Day of Defeat
Day of Defeat: Source
3.8 hrs on record
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Deathmatch Classic
Dragon Age: Origins
43.1 hrs on record
Half-Life
Half-Life 2: Deathmatch
Half-Life: Blue Shift
Half-Life: Opposing Force
Killing Floor
9.8 hrs on record
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Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead
22 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
Left 4 Dead Authoring Tools
Mass Effect
Ricochet
Source SDK
