Team Fortress 2
32.8 hrs last two weeks / 702.8 hrs on record
View statsView global gameplay stats
Garry's Mod
12.3 hrs last two weeks / 827.4 hrs on record
View statsView global gameplay stats
Source SDK
2.7 hrs last two weeks / 266 hrs on record
Counter-Strike: Source
Half-Life 2
99.9 hrs on record
Half-Life 2: Deathmatch
0.7 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
3.6 hrs on record
View statsView global gameplay stats
Half-Life 2: Lost Coast
Portal
5 hrs on record
View statsView global gameplay stats
