Team Fortress 2
17 hrs last two weeks / 63 hrs on record
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Left 4 Dead 2
4 hrs last two weeks / 8 hrs on record
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Half-Life
2 hrs last two weeks / 133 hrs on record
Bioshock
Commander Keen Complete Pack
Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Counter-Strike: Source
Day of Defeat
Day of Defeat: Source
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Deathmatch Classic
Doom 2
Doom 3
Doom 3: Resurrection of Evil
Final Doom
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Episode Two
2 hrs on record
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Source
Half-Life Deathmatch: Source
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Left 4 Dead
2 hrs on record
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Left 4 Dead 2 Demo
0 hrs on record
Left 4 Dead Authoring Tools
Master Levels of Doom
Men of War
1 hrs on record
Opposing Force
Penumbra: Black Plague
Penumbra: Overture
2 hrs on record
Penumbra: Requiem
Portal
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Quake
Quake 2
Quake 2: Ground Zero
Quake 2: The Reckoning
Quake 3 Arena
Quake 3 Team Arena
Quake Mission Pack 1: Scourge of Armagon
Quake Mission Pack 2: Dissolution of Eternity
Return to Castle Wolfenstein
Ricochet
Source SDK
Spear of Destiny
Team Fortress Classic
Ultimate Doom
Warhammer® 40,000™: Dawn of War® II
392 hrs on record
Wolfenstein 3D
Zeno Clash
5 hrs on record
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