Left 4 Dead 2
17.4 hrs last two weeks / 114.7 hrs on record
View statsView global gameplay stats
Team Fortress 2
0.3 hrs last two weeks / 342 hrs on record
View statsView global gameplay stats
Grand Theft Auto IV
0.2 hrs last two weeks / 389.6 hrs on record
Assassin's Creed
Bejeweled 2 Deluxe
Bioshock
Bookworm Adventures Deluxe
Call of Duty 4: Modern Warfare
Call of Juarez
1.3 hrs on record
Clive Barker's Jericho
Commander Keen Complete Pack
Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Counter-Strike: Source
2.6 hrs on record
Crysis
4.6 hrs on record
Darkest Hour
Day of Defeat
Day of Defeat: Source
View statsView global gameplay stats
Dead Space
12.2 hrs on record
Deathmatch Classic
Doom 2
Doom 3
Doom 3: Resurrection of Evil
Fallout 3
40.7 hrs on record
Far Cry 2
Far Cry 2: Fortunes Pack
Final Doom
Garry's Mod
View statsView global gameplay stats
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
3.1 hrs on record
Half-Life 2: Episode Two
0.4 hrs on record
View statsView global gameplay stats
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Half-Life: Source
Half-Life Deathmatch: Source
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Insaniquarium Deluxe
Left 4 Dead
267.8 hrs on record
View statsView global gameplay stats
Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead Authoring Tools
Mare Nostrum
View statsView global gameplay stats
Mare Nostrum Dedicated Server
Master Levels of Doom II
Painkiller: Gold Edition
Peggle Deluxe
Plants vs. Zombies
9.9 hrs on record
View statsView global gameplay stats
Portal
View statsView global gameplay stats
Prey
Quake
Quake 3 Arena
Quake 3 Team Arena
Quake II
Quake II: Ground Zero
Quake II: The Reckoning
Quake Mission Pack 1: Scourge of Armagon
Quake Mission Pack 2: Dissolution of Eternity
Red Orchestra
View statsView global gameplay stats
Return to Castle Wolfenstein
Ricochet
RollerCoaster Tycoon 3 Platinum
SiN 1
SiN 1 Multiplayer
SiN Episodes: Emergence
Source SDK
Spear of Destiny
STALKER: Shadow of Chernobyl
Team Fortress Classic
Ultimate Doom
Wolfenstein 3D
