Call of Duty: Modern Warfare 2 - Multiplayer
11 hrs last two weeks / 43 hrs on record
Garry's Mod
8.9 hrs last two weeks / 337.7 hrs on record
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Source SDK
5 hrs last two weeks / 141.6 hrs on record
Fallout 3
2.5 hrs last two weeks / 17.8 hrs on record
Call of Duty: Modern Warfare 2
1.8 hrs last two weeks / 21.9 hrs on record
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Left 4 Dead 2
1.4 hrs last two weeks / 10.7 hrs on record
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Dead Space
0.8 hrs last two weeks / 0.8 hrs on record
Warhammer® 40,000™: Dawn of War® II
0.6 hrs last two weeks / 28.6 hrs on record
Half-Life 2: Episode Two
0.5 hrs last two weeks / 2.5 hrs on record
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Borderlands
34.7 hrs on record
Counter-Strike
Counter-Strike: Source
6.2 hrs on record
Day of Defeat
Day of Defeat: Source
1 hrs on record
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Deathmatch Classic
Half-Life
Half-Life 2
29 hrs on record
Half-Life 2: Deathmatch
Half-Life 2: Episode One
0.1 hrs on record
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Half-Life: Source
0.3 hrs on record
Half-Life Deathmatch: Source
Left 4 Dead
5.4 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
2.9 hrs on record
Left 4 Dead Authoring Tools
Portal
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Ricochet
Team Fortress 2
8.3 hrs on record
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Team Fortress Classic
