Call of Duty: World at War
3.1 hrs last two weeks / 72.6 hrs on record
Team Fortress 2
1.3 hrs last two weeks / 33.8 hrs on record
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Counter-Strike: Source
Darkest Hour
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Half-Life: Source
Half-Life Deathmatch: Source
Left 4 Dead
8.2 hrs on record
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Left 4 Dead Authoring Tools
Mare Nostrum
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Mare Nostrum Dedicated Server
Portal
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Red Orchestra
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