Team Fortress 2
22.8 hrs last two weeks / 318.9 hrs on record
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F.E.A.R. 2: Project Origin
16 hrs on record
Garry's Mod
8.9 hrs on record
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Half-Life 2
2.1 hrs on record
Half-Life 2: Deathmatch
22.3 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Left 4 Dead
22.6 hrs on record
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Left 4 Dead Authoring Tools
Lost Planet: Extreme Condition
10 hrs on record
Portal
2.7 hrs on record
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