Left 4 Dead 2
1.1 hrs last two weeks / 3.3 hrs on record
View statsView global gameplay stats
Counter-Strike: Source
0.7 hrs last two weeks / 11.3 hrs on record
Serious Sam HD: The First Encounter
0.6 hrs last two weeks / 0.6 hrs on record
View statsView global gameplay stats
Quake
0.2 hrs last two weeks / 0.2 hrs on record
Call of Duty 4: Modern Warfare
2.9 hrs on record
Commander Keen Complete Pack
Counter-Strike
Day of Defeat
Deathmatch Classic
Doom 2
Doom 3
Doom 3: Resurrection of Evil
Final Doom
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Episode Two
View statsView global gameplay stats
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Half-Life Deathmatch: Source
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Left 4 Dead
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
Master Levels of Doom II
Max Payne
Max Payne 2: The Fall of Max Payne
Portal
View statsView global gameplay stats
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
Return to Castle Wolfenstein
Ricochet
Source SDK
Spear of Destiny
Team Fortress 2
5.7 hrs on record
View statsView global gameplay stats
Team Fortress Classic
Ultimate Doom
Unreal Tournament 3 Black
3.6 hrs on record
View statsView global gameplay stats
