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

Joined

Left 4 Dead
Left 4 Dead
Garry's Mod
Garry's Mod
Team Fortress 2
Team Fortress 2
Valve
Valve
Portal
Portal
Counter-Strike: Global Offensive
Counter-Strike: Global Offensive
Half-Life
Half-Life