Counter-Strike: Source
1.9 hrs last two weeks / 12.4 hrs on record
Borderlands
24.3 hrs on record
Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Evil Genius
5.6 hrs on record
Garry's Mod
View statsView global gameplay stats
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
Left 4 Dead
6.9 hrs on record
View statsView global gameplay stats
Left 4 Dead Authoring Tools
Portal
View statsView global gameplay stats
Source SDK
Team Fortress 2
28.7 hrs on record
View statsView global gameplay stats
Titan Quest
Titan Quest: Immortal Throne
Unreal Tournament 3 Black
1.2 hrs on record
View statsView global gameplay stats
