Left 4 Dead 2
1.7 hrs last two weeks / 17.1 hrs on record
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Audiosurf
0.8 hrs on record
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Counter-Strike
Counter-Strike: Source
Day of Defeat
Day of Defeat: Source
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Deathmatch Classic
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Left 4 Dead
56.2 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead Authoring Tools
Lost Planet: Extreme Condition
8.3 hrs on record
Ricochet
Source SDK
Team Fortress 2
17 hrs on record
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Team Fortress Classic
Zeno Clash
1.6 hrs on record
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