Left 4 Dead 2
22 hrs last two weeks / 25 hrs on record
View statsView global gameplay stats
Bioshock
Counter-Strike
Day of Defeat
Deathmatch Classic
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
3 hrs on record
Half-Life 2: Episode Two
View statsView global gameplay stats
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Left 4 Dead
305 hrs on record
View statsView global gameplay stats
Left 4 Dead 2 Demo
5 hrs on record
Left 4 Dead Authoring Tools
Portal
View statsView global gameplay stats
Ricochet
Source SDK
Team Fortress 2
79 hrs on record
View statsView global gameplay stats
Team Fortress Classic
X-Com: Apocalypse
X-Com: Enforcer
X-Com: Interceptor
X-COM: Terror from the Deep
