Left 4 Dead 2
11 hrs last two weeks / 11 hrs on record
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Call of Duty: Modern Warfare 2 - Multiplayer
4.4 hrs last two weeks / 29.4 hrs on record
Left 4 Dead
3.5 hrs last two weeks / 50.2 hrs on record
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Defense Grid: The Awakening
2.6 hrs last two weeks / 2.6 hrs on record
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Ghostbusters: The Video Game
1.6 hrs last two weeks / 1.6 hrs on record
Shattered Horizon
0.1 hrs last two weeks / 3.1 hrs on record
Audiosurf
0.1 hrs on record
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Bioshock
Call of Duty 4: Modern Warfare
1.8 hrs on record
Call of Duty: Modern Warfare 2
7.5 hrs on record
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Commander Keen Complete Pack
Counter-Strike: Source
1.6 hrs on record
Crysis
Crysis Warhead
Crysis Wars
Day of Defeat
13.4 hrs on record
Day of Defeat: Source
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Deathmatch Classic
Doom 2
Doom 3
Doom 3: Resurrection of Evil
Final Doom
Grand Theft Auto IV
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Episode Two
0.1 hrs on record
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead Authoring Tools
Master Levels of Doom II
Portal
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Prey
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
Return to Castle Wolfenstein
Ricochet
Source SDK
Spear of Destiny
STALKER: Shadow of Chernobyl
Star Wars Republic Commando
0.7 hrs on record
Team Fortress 2
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Team Fortress Classic
Ultimate Doom
