Half-Life 2: Deathmatch
11.5 hrs last two weeks / 112.1 hrs on record
Left 4 Dead 2
3.5 hrs last two weeks / 18.3 hrs on record
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Serious Sam HD: The First Encounter
0.5 hrs last two weeks / 4.8 hrs on record
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Audiosurf
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Counter-Strike: Source
6.4 hrs on record
Guild Wars: Trilogy
149.1 hrs on record
Half-Life 2
Half-Life 2: Lost Coast
Killing Floor
0.6 hrs on record
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Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead
26.6 hrs on record
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Left 4 Dead 2 Demo
2.1 hrs on record
Left 4 Dead Authoring Tools
Source SDK
Team Fortress 2
1.3 hrs on record
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