Left 4 Dead 2
4.9 hrs last two weeks / 19 hrs on record
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Left 4 Dead
4 hrs last two weeks / 9.1 hrs on record
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Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Day of Defeat
1.9 hrs on record
Deathmatch Classic
Half-Life
Half-Life 2
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
Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead Authoring Tools
Portal
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Ricochet
Source SDK
Team Fortress 2
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