Left 4 Dead 2
1 hrs last two weeks / 1 hrs on record
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Audiosurf
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Commander Keen Complete Pack
Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Counter-Strike: Source
Crysis Warhead
Crysis Wars
Day of Defeat
Day of Defeat: Source
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Deathmatch Classic
Deus Ex: Game of the Year Edition
Doom 2
Doom 3
Doom 3: Resurrection of Evil
Dragon Age: Origins
Empire: Total War
27 hrs on record
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Final Doom
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Episode Two
1 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
12 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
Opposing Force
Portal
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Psychonauts
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 2
5 hrs on record
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Team Fortress Classic
Ultimate Doom
Warhammer® 40,000™: Dawn of War® II
6 hrs on record
