Team Fortress 2
13.7 hrs last two weeks / 112.2 hrs on record
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Left 4 Dead 2
8.7 hrs last two weeks / 17.6 hrs on record
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Call of Duty: World at War
Counter-Strike
Counter-Strike: Source
131.9 hrs on record
Day of Defeat
Deathmatch Classic
Half-Life
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: Blue Shift
Half-Life: Opposing Force
Left 4 Dead
87.3 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
Portal
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Ricochet
Source SDK
