Team Fortress 2
12.2 hrs last two weeks / 390.1 hrs on record
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Left 4 Dead 2
11.4 hrs last two weeks / 36.6 hrs on record
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Counter-Strike: Source
68.7 hrs on record
Day of Defeat: Source
15.8 hrs on record
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Fallout 3
4 hrs on record
GRID
7.2 hrs on record
Half-Life 2
Half-Life 2: Deathmatch
2.9 hrs on record
Half-Life 2: Episode One
4 hrs on record
Half-Life 2: Episode Two
5.2 hrs on record
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Half-Life 2: Lost Coast
0.3 hrs on record
Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
3 hrs on record
Portal
5.5 hrs on record
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