Left 4 Dead 2
10.6 hrs last two weeks / 39.3 hrs on record
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Team Fortress 2
3.6 hrs last two weeks / 1915.2 hrs on record
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Audiosurf
1.3 hrs last two weeks / 4.3 hrs on record
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Shattered Horizon
0.8 hrs last two weeks / 0.8 hrs on record
Counter-Strike: Source
27.6 hrs on record
Geometry Wars
45.9 hrs on record
Half-Life 2
0.4 hrs on record
Half-Life 2: Deathmatch
Half-Life 2: Episode One
2.1 hrs on record
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
19.7 hrs on record
Portal
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