Still open?
steam://joinlobby/730/109775242138008089/76561198190594633
steam://joinlobby/730/109775242138008089/76561198190594633
steam://joinlobby/730/109775242138008089/76561198190594633
steam://joinlobby/730/109775242138008089/76561198190594633
steam://joinlobby/730/109775242138008089/76561198190594633
steam://joinlobby/730/109775242138008089/76561198190594633
steam://joinlobby/730/109775242138008089/76561198190594633