Team Fortress 2
38.2 hrs last two weeks / 976.1 hrs on record
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Left 4 Dead 2
1.8 hrs last two weeks / 22.4 hrs on record
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Audiosurf
2.7 hrs on record
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Counter-Strike
Counter-Strike: Source
Day of Defeat
Deathmatch Classic
Half-Life
1.8 hrs on record
Half-Life 2
7.9 hrs on record
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
95.1 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
4.7 hrs on record
Left 4 Dead Authoring Tools
Monkey Island Special Edition
6 hrs on record
Oddworld: Abe's Exoddus
Oddworld: Abe's Oddysee
2.4 hrs on record
Portal
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Ricochet
Source SDK
2.7 hrs on record
Team Fortress Classic
Unreal Tournament 3 Black
2.9 hrs on record
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World of Goo
14.2 hrs on record
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