Left 4 Dead 2
18.8 hrs last two weeks / 51.2 hrs on record
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Left 4 Dead 2 Authoring Tools
5.8 hrs last two weeks / 5.8 hrs on record
Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Counter-Strike: Source
Grand Theft Auto: Vice City
Grand Theft Auto IV
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 Deathmatch: Source
Left 4 Dead
41.2 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Demo
2.3 hrs on record
Left 4 Dead Authoring Tools
Nancy Drew: The Haunting of Castle Malloy
0.8 hrs on record
Operation Flashpoint: Dragon Rising
12.6 hrs on record
Operation Flashpoint: Dragon Rising Mission Editor
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
SiN 1
SiN 1 Multiplayer
SiN Episodes: Emergence
Source SDK
0.1 hrs on record
Team Fortress 2
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