Team Fortress 2
18.3 hrs last two weeks / 36.1 hrs on record
View statsView global gameplay stats
Half-Life
16.5 hrs last two weeks / 16.5 hrs on record
Source SDK
1.6 hrs last two weeks / 1.9 hrs on record
Left 4 Dead 2
1 hrs last two weeks / 61.4 hrs on record
View statsView global gameplay stats
Counter-Strike
Counter-Strike: Source
150.5 hrs on record
Darwinia
Day of Defeat
Deathmatch Classic
Defcon
Garry's Mod
278.2 hrs on record
View statsView global gameplay stats
Half-Life 2
0.7 hrs on record
Half-Life 2: Deathmatch
Half-Life 2: Episode One
5.3 hrs on record
Half-Life 2: Episode Two
6.9 hrs on record
View statsView global gameplay stats
Half-Life 2: Lost Coast
0.2 hrs on record
Half-Life: Blue Shift
Half-Life: Opposing Force
Half-Life Deathmatch: Source
Left 4 Dead
118.8 hrs on record
View statsView global gameplay stats
Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
2.1 hrs on record
Left 4 Dead Authoring Tools
Portal
0.5 hrs on record
View statsView global gameplay stats
Ricochet
