Team Fortress 2
20 hrs last two weeks / 1656.8 hrs on record
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Left 4 Dead 2
8.5 hrs last two weeks / 62.5 hrs on record
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Counter-Strike: Source
2.1 hrs last two weeks / 18.6 hrs on record
Counter-Strike
Day of Defeat
Deathmatch Classic
Half-Life
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: Blue Shift
Half-Life: Opposing Force
Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
Portal
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Quake
Quake 3 Arena
Quake 3 Team Arena
Quake II
Quake II: Ground Zero
Quake II: The Reckoning
Quake Mission Pack 1: Scourge of Armagon
Quake Mission Pack 2: Dissolution of Eternity
Ricochet
Source SDK
Team Fortress Classic
Unreal Gold
Unreal II: The Awakening
Unreal Tournament
Unreal Tournament 3 Black
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