Team Fortress 2
13.4 hrs last two weeks / 691 hrs on record
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Unreal Tournament 3 Black
4.6 hrs last two weeks / 4.6 hrs on record
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Quake
4.3 hrs last two weeks / 4.3 hrs on record
Osmos
2.7 hrs last two weeks / 2.7 hrs on record
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Call of Duty 4: Modern Warfare
0.4 hrs last two weeks / 17.8 hrs on record
Audiosurf
4.1 hrs on record
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Braid
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Commander Keen Complete Pack
Darwinia
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
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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
0.4 hrs on record
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Left 4 Dead Authoring Tools
Master Levels of Doom II
Multiwinia
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Petz Horsez 2
Portal
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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
Shattered Horizon
Source SDK
Spear of Destiny
Street Fighter IV
15.3 hrs on record
Ultimate Doom
Unreal Gold
Unreal II: The Awakening
Unreal Tournament
Unreal Tournament 2004
