Left 4 Dead 2
88 hrs last two weeks / 279.7 hrs on record
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Counter-Strike: Source
Day of Defeat
Deathmatch Classic
Garry's Mod
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Half-Life
Half-Life 2
Half-Life 2: Deathmatch
27.4 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Killing Floor
2.8 hrs on record
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Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead
1097.5 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
18.1 hrs on record
Left 4 Dead Authoring Tools
Portal
5.2 hrs on record
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Ricochet
Source SDK
Team Fortress 2
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