Team Fortress 2
3.3 hrs last two weeks / 122.5 hrs on record
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Left 4 Dead 2
0.4 hrs last two weeks / 22.4 hrs on record
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Half-Life 2
3.3 hrs on record
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Episode Two
0.4 hrs on record
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Half-Life 2: Lost Coast
Left 4 Dead
46.2 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
0.8 hrs on record
Portal
0.1 hrs on record
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Source SDK
2.5 hrs on record
Unreal Tournament 3 Black
20.1 hrs on record
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