Commander Keen Complete Pack
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
0.5 hrs on record
Fallout 3
91.9 hrs on record
Final Doom
Geometry Wars
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
0.3 hrs on record
Half-Life Deathmatch: Source
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Left 4 Dead
117.5 hrs on record
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Left 4 Dead 2
1.2 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
0.6 hrs on record
Left 4 Dead Authoring Tools
Manhunt
Master Levels of Doom II
Peggle Deluxe
1.2 hrs on record
Portal
0.2 hrs on record
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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
0.4 hrs on record
Rag Doll Kung Fu
0.1 hrs on record
Rainbow Six Vegas
Rainbow Six Vegas 2
Return to Castle Wolfenstein
Ricochet
Source SDK
Spear of Destiny
STALKER: Shadow of Chernobyl
Team Fortress 2
52.4 hrs on record
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Team Fortress Classic
Thief: Deadly Shadows
37.3 hrs on record
Ultimate Doom
