Half-LifePortalTeam Fortress 2Source FilmmakerValveBlack MesaLambdaGenerationSven Co-opEntropy : ZeroGarry's ModCounter-Strike: Global OffensiveLeft 4 Dead

Joined

Valve
Valve
Garry's Mod
Garry's Mod
Left 4 Dead
Left 4 Dead
LambdaGeneration
LambdaGeneration
Portal
Portal
Team Fortress 2
Team Fortress 2
Source Filmmaker
Source Filmmaker
Half-Life
Half-Life