Left 4 Dead 2
8 hrs last two weeks / 8 hrs on record
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Lumines
5.7 hrs last two weeks / 5.7 hrs on record
Audiosurf
1.2 hrs on record
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Counter-Strike
Counter-Strike: Source
9.5 hrs on record
Day of Defeat
1.1 hrs on record
Deathmatch Classic
Geometry Wars
0.5 hrs on record
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
Hitman: Blood Money
Left 4 Dead
12.7 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
Lumines Advanced Pack
Portal
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Ricochet
0.1 hrs on record
Source SDK
Team Fortress 2
57.6 hrs on record
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Team Fortress Classic
