Left 4 Dead 2
13.3 hrs last two weeks / 98.6 hrs on record
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Counter-Strike: Source
6 hrs last two weeks / 314.7 hrs on record
F.E.A.R. 2: Project Origin
0.3 hrs on record
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 Deathmatch: Source
Left 4 Dead
364.5 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
2.4 hrs on record
Left 4 Dead Authoring Tools
Portal
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Source SDK
Team Fortress 2
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