Team Fortress 2
18.3 hrs last two weeks / 309 hrs on record
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Source SDK
11.7 hrs last two weeks / 127.8 hrs on record
Sid Meier's Civilization IV: Beyond the Sword
9.1 hrs last two weeks / 9.1 hrs on record
Garry's Mod
6.4 hrs last two weeks / 28.9 hrs on record
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Half-Life 2: Episode Two
2.3 hrs last two weeks / 2.8 hrs on record
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Defense Grid: The Awakening
1.7 hrs last two weeks / 1.7 hrs on record
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Sid Meier's Civilization IV
1.5 hrs last two weeks / 1.5 hrs on record
STALKER: Shadow of Chernobyl
0.3 hrs last two weeks / 0.3 hrs on record
Audiosurf
0.1 hrs on record
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Beyond Good and Evil
Bioshock
Borderlands
26.1 hrs on record
Braid
6.1 hrs on record
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Call of Duty 4: Modern Warfare
Call of Duty: World at War
0.1 hrs on record
Counter-Strike: Source
Darkest Hour
Dark Messiah Might and Magic Multi-Player
Dark Messiah Might and Magic Single Player
0.5 hrs on record
Day of Defeat: Source
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Grand Theft Auto: Vice City
Grand Theft Auto IV
7 hrs on record
Half-Life
Half-Life 2
9.4 hrs on record
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Heavy Weapon Deluxe
0.3 hrs on record
Hitman: Blood Money
2.8 hrs on record
Killing Floor
6.4 hrs on record
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Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead
6.1 hrs on record
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Left 4 Dead 2
10.5 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
1.4 hrs on record
Left 4 Dead Authoring Tools
3.1 hrs on record
Lost Planet: Extreme Condition
Mare Nostrum
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Mare Nostrum Dedicated Server
Multiwinia
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Oddworld: Abe's Exoddus
Oddworld: Abe's Oddysee
Painkiller: Gold Edition
Plants vs. Zombies
31.8 hrs on record
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Portal
1.1 hrs on record
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Psychonauts
Rainbow Six Vegas 2
Red Faction
0.4 hrs on record
Red Faction: Guerrilla
28.1 hrs on record
Red Orchestra
1 hrs on record
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Sid Meier's Civilization IV: Colonization
Sid Meier's Civilization IV: Warlords
Team Fortress Classic
The Ship
The Ship Single Player
The Ship Tutorial
Unreal Tournament 3 Black
7.8 hrs on record
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World of Goo
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Zeno Clash
4.8 hrs on record
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