Left 4 Dead 2
29.2 hrs last two weeks / 67.1 hrs on record
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Call of Duty: Modern Warfare 2 - Multiplayer
1.7 hrs last two weeks / 7.8 hrs on record
Unreal Tournament 3 Black
1.4 hrs last two weeks / 12.9 hrs on record
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Call of Duty: Modern Warfare 2
0.2 hrs last two weeks / 12 hrs on record
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Day of Defeat: Source
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Half-Life 2: Episode Two
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Left 4 Dead
171.3 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
Portal
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Source SDK
Team Fortress 2
328.6 hrs on record
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