steam://joinlobby/730/109775242017478834/76561198223931160 Go!
steam://joinlobby/730/109775242017478834/76561198223931160
steam://joinlobby/730/109775242017478834/76561198223931160

still waiiting for 2 more to come...

steam://joinlobby/730/109775242017478834/76561198223931160 - LE/LEM/SMFC/GE