Left 4 Dead 2
1 hrs last two weeks / 12.6 hrs on record
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Team Fortress 2
0.9 hrs last two weeks / 166.9 hrs on record
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Counter-Strike
0.3 hrs last two weeks / 9.6 hrs on record
Audiosurf
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Borderlands
15.5 hrs on record
Counter-Strike: Source
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
20.8 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
Sid Meier's Civilization III: Complete
Source SDK
