Batman: Arkham City CO-OP Two Batmen Save the Museum!

This was played with my friend @SpideySansGoku2517 Arkham City CO-OP method was found by latexxjuggernut To make co-op work, download the Arkham City folder in this drive and replace the in your game (make sure to back it up before): #arkhamcity #batmanarkhamcity #coop #playingtogether #2player #batman #museum #penguin #solomongrundy #playingwithfriends