Left 4 Dead 2
27 hrs last two weeks / 45.1 hrs on record
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Team Fortress 2
12.5 hrs last two weeks / 345.2 hrs on record
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Garry's Mod
11 hrs last two weeks / 26.5 hrs on record
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Grand Theft Auto IV
10.3 hrs last two weeks / 10.3 hrs on record
Counter-Strike: Source
0.9 hrs last two weeks / 1.1 hrs on record
Mirror's Edge
0.3 hrs last two weeks / 6.4 hrs on record
Left 4 Dead 2 Authoring Tools
0.3 hrs last two weeks / 0.3 hrs on record
Half-Life 2
0.4 hrs on record
Half-Life 2: Deathmatch
Half-Life 2: Episode One
1.4 hrs on record
Half-Life 2: Episode Two
0.1 hrs on record
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Half-Life 2: Lost Coast
Half-Life: Source
Half-Life Deathmatch: Source
Left 4 Dead
157.7 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead Authoring Tools
38.6 hrs on record
Portal
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Prey
