Left 4 Dead 2
31.3 hrs last two weeks / 114.2 hrs on record
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Call of Duty: Modern Warfare 2 - Multiplayer
6.3 hrs last two weeks / 61.7 hrs on record
Team Fortress 2
3.8 hrs last two weeks / 4.7 hrs on record
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Call of Duty: Modern Warfare 2
2.4 hrs last two weeks / 24.5 hrs on record
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Borderlands
52.8 hrs on record
Counter-Strike
Counter-Strike: Source
1.5 hrs on record
Darkest Hour
Day of Defeat
Day of Defeat: Source
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Deathmatch Classic
Garry's Mod
0.3 hrs on record
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Grand Theft Auto IV
9.3 hrs on record
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
0.3 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Killing Floor
52.5 hrs on record
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Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead
48.9 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
6.5 hrs on record
Left 4 Dead Authoring Tools
Mare Nostrum
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Mare Nostrum Dedicated Server
Portal
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Red Orchestra
2.2 hrs on record
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Ricochet
Source SDK
Team Fortress Classic
Unreal Tournament 3 Black
23.4 hrs on record
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