Left 4 Dead 2
6.1 hrs last two weeks / 6.1 hrs on record
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Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Counter-Strike: Source
Darkest Hour
Darwinia
Day of Defeat
Day of Defeat: Source
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Deathmatch Classic
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
77.2 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
1.9 hrs on record
Left 4 Dead Authoring Tools
Mare Nostrum
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Mare Nostrum Dedicated Server
Portal
1.7 hrs on record
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Rag Doll Kung Fu
Red Orchestra
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Ricochet
Source SDK
Space Empires IV Deluxe
Team Fortress 2
199.2 hrs on record
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Team Fortress Classic
The Ship
The Ship Tutorial
