Assassin's Creed
3 hrs on record
Audiosurf
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Commander Keen Complete Pack
Company of Heroes
Company of Heroes: Opposing Fronts
Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Counter-Strike: Source
Doom 2
Doom 3
Doom 3: Resurrection of Evil
Final Doom
Half-Life 2
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Left 4 Dead
0.6 hrs on record
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Left 4 Dead Authoring Tools
Master Levels of Doom II
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
Source SDK
Spear of Destiny
STALKER: Shadow of Chernobyl
Team Fortress 2
71.8 hrs on record
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The Last Remnant
72.3 hrs on record
Titan Quest
Titan Quest: Immortal Throne
Ultimate Doom
