Borderlands
2.3 hrs last two weeks / 4.1 hrs on record
Braid
1.6 hrs on record
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Commander Keen Complete Pack
Counter-Strike
Counter-Strike: Source
Day of Defeat
Deathmatch Classic
Deus Ex: Game of the Year Edition
1.9 hrs on record
Doom 2
Doom 3
Doom 3: Resurrection of Evil
Final Doom
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
Half-Life Deathmatch: Source
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Indiana Jones and the Fate of Atlantis
Indiana Jones and the Last Crusade
Left 4 Dead
2.5 hrs on record
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Left 4 Dead 2
1.9 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
Left 4 Dead Authoring Tools
Loom
Master Levels of Doom II
Max Payne
Max Payne 2: The Fall of Max Payne
Plants vs. Zombies
0.9 hrs on record
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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
Return to Castle Wolfenstein
Ricochet
Sid Meier's Civilization IV
Source SDK
Spear of Destiny
STALKER: Shadow of Chernobyl
0.3 hrs on record
Starwars: Knights of The Old Republic
Team Fortress 2
2.7 hrs on record
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Team Fortress Classic
The Dig
Ultimate Doom
Wolfenstein 3D
