Team Fortress 2
36.2 hrs last two weeks / 737.2 hrs on record
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Borderlands
0.5 hrs last two weeks / 27 hrs on record
Counter-Strike
Counter-Strike: Source
1.8 hrs on record
Day of Defeat
Deathmatch Classic
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Killing Floor
6.5 hrs on record
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Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead
46.9 hrs on record
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Left 4 Dead Authoring Tools
Portal
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Ricochet
Source SDK
