Use the remote controlled batarang to destroy the riddler mark.
For more information on batman: Arkham city cheats list for pc version. In steam, along the top menu bar, select game. Batman arkham city changed over to a different drm. On the roof of the building with park row written over it on the map.
Code For Batman Arkham City / Batman Arkham Knight Trainer 9 Mrantifun Download Cheats Codes Trainers / This page contains a list of cheats, codes, easter eggs, tips, and other secrets for batman.