Its post-apocalypse, and you think you're the only one left in Gotham City. Most of everybody left or died. Nobody has seen Batman or Robin in weeks. You're on your way searching for food, heading to an abandoned store where you've gotten most of your stuff for the past month. Most of the zombies have left Gotham City surprisingly. You don't know why, but there are still some zombies left, you step out of the abandoned building you made yourself a home out of and went on your way to get food