Team Fortress 2
45.9 hrs last two weeks / 1969.8 hrs on record
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Bioshock
Call of Duty 2
Call of Duty 4: Modern Warfare
Counter-Strike: Source
Darkest Hour
Dark Messiah Might and Magic Multi-Player
Dark Messiah Might and Magic Single Player
Darwinia
Day of Defeat: Source
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Enemy Territory: QUAKE Wars
Garry's Mod
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Grand Theft Auto IV
2 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: Source
Half-Life Deathmatch: Source
Left 4 Dead
1.6 hrs on record
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Left 4 Dead 2
2.4 hrs on record
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Left 4 Dead 2 Demo
0.5 hrs on record
Left 4 Dead Authoring Tools
Mare Nostrum
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Mare Nostrum Dedicated Server
Ninja Reflex: Steamworks Edition
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Portal
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Project: Snowblind
Race - The WTCC Game
Race Caterham
Red Orchestra
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SiN 1
SiN 1 Multiplayer
SiN Episodes: Emergence
Source SDK
Team Fortress Classic
Thief: Deadly Shadows
TrackMania United
X3: Reunion
