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

Joined

Black Mesa
Black Mesa
Garry's Mod
Garry's Mod
Team Fortress 2
Team Fortress 2
Half-Life
Half-Life