Killing Floor
25.7 hrs last two weeks / 175.6 hrs on record
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Counter-Strike: Source
10.8 hrs last two weeks / 470.2 hrs on record
Day of Defeat: Source
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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
Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead
1.6 hrs on record
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Left 4 Dead Authoring Tools
Portal
0.5 hrs on record
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Source SDK
Team Fortress 2
35.2 hrs on record
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