Gotham City Imposters 2: Gangwar is a MMORPG game featuring 10 gangs, including the 2 gangs from the first game, The Bats and The Jokerz. There are new modes and weapons. The main plot is that there is a machine underground that can control Gotham City's electricity, water supply, etc., etc. Word gets out about the machine and The Jokerz want it all for themselves, but The Bats find out, and soonword gets out to the entire Gotham City underworld, and everyone wants it.