Team Fortress 2
27 hrs last two weeks / 326.3 hrs on record
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Build-A-Lot 4
10.1 hrs last two weeks / 10.1 hrs on record
TrackMania United
2.8 hrs last two weeks / 128.2 hrs on record
Luxor 3
1 hrs last two weeks / 1 hrs on record
Assassin's Creed
88.5 hrs on record
Bioshock
4.3 hrs on record
Counter-Strike
Counter-Strike: Source
Day of Defeat
Deathmatch Classic
Defense Grid: The Awakening
38 hrs on record
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Fallout 3
132.4 hrs on record
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
Left 4 Dead
14.5 hrs on record
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Left 4 Dead Authoring Tools
On the Rain-Slick Precipice of Darkness, Episode One
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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
Ricochet
Source SDK
Team Fortress Classic
Zombie Bowl-O-Rama
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