Team Fortress 2
32.8 hrs last two weeks / 68.3 hrs on record
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Mass Effect
5 hrs last two weeks / 5.2 hrs on record
Counter-Strike: Source
0.4 hrs last two weeks / 44.8 hrs on record
Audiosurf
1.1 hrs on record
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Bejeweled 2 Deluxe
Bioshock
Bookworm™ Adventures Volume 2
5.9 hrs on record
Bookworm Adventures Deluxe
Call of Duty 4: Modern Warfare
0.1 hrs on record
Chaos Theory
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Clive Barker's Jericho
Commander Keen Complete Pack
Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Darwinia
Day of Defeat
Day of Defeat: Source
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Deathmatch Classic
Doom 2
Doom 3
Doom 3: Resurrection of Evil
Dragon Age: Origins
20.4 hrs on record
Eets
Fallout 3
5.1 hrs on record
Final Doom
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
3.2 hrs on record
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Half-Life: Source
Half-Life Deathmatch: Source
Hearts of Iron 2: Complete
5.9 hrs on record
Hearts of Iron III
1 hrs on record
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Insaniquarium Deluxe
4.7 hrs on record
Left 4 Dead
95.7 hrs on record
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Left 4 Dead Authoring Tools
Master Levels of Doom II
Ninja Reflex: Steamworks Edition
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On the Rain-Slick Precipice of Darkness, Episode One
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Overlord
Peggle Deluxe
4.3 hrs on record
Plants vs. Zombies
26.9 hrs on record
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Portal
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Prey
Prototype
36.8 hrs on record
Puzzle Quest
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
Sid Meier's Civilization IV: Beyond the Sword
18.1 hrs on record
Sid Meier's Civilization IV: Warlords
Source SDK
Spear of Destiny
Spellforce 2 Dragon Wars
Spellforce 2 Shadow Wars
Team Fortress Classic
Titan Quest
0.1 hrs on record
Titan Quest: Immortal Throne
0.1 hrs on record
Ultimate Doom
Uplink
Wolfenstein 3D
World in Conflict
World in Conflict: Soviet Assault
10 hrs on record
World of Goo
3.1 hrs on record
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