Half-LifePortalTeam Fortress 2Counter-StrikeSource FilmmakerValveBlack MesaLambdaGenerationSven Co-opEntropy : ZeroGarry's ModLeft 4 Dead

Joined

Entropy : Zero
Entropy : Zero
Left 4 Dead
Left 4 Dead
Counter-Strike
Counter-Strike
Garry's Mod
Garry's Mod
Sven Co-op
Sven Co-op
Source Filmmaker
Source Filmmaker
Black Mesa
Black Mesa
LambdaGeneration
LambdaGeneration
Valve
Valve
Team Fortress 2
Team Fortress 2
Portal
Portal
Half-Life
Half-Life