Left 4 Dead 2
27 hrs last two weeks / 87.1 hrs on record
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Audiosurf
2.6 hrs on record
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Counter-Strike: Source
Day of Defeat
Deathmatch Classic
Dreamfall: The Longest Journey
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
Half-Life Deathmatch: Source
Left 4 Dead
92.8 hrs on record
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Left 4 Dead 2 Demo
3.8 hrs on record
Left 4 Dead Authoring Tools
Portal
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Ricochet
Source SDK
Team Fortress 2
127 hrs on record
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Team Fortress Classic
