I just finished mad hatter side mission in Batman Arkham origins and my god what a mission I can already give this game a 10 out of 10 : r/BatmanArkham
The Mad Hatter | Most Wanted - Batman: Arkham Origins Game Guide | gamepressure.com
Another Arkham Origins bug in Mad Hatter side quest : r/gaming
Batman Arkham Origins PC [2K/60fps] Mad Hatter Door Puzzle (Solution) - YouTube
Batman Arkham Origins Mad Matter Door Route - YouTube
Batman: Arkham Origins | PopMatters
The Mad Hatter | Most Wanted - Batman: Arkham Origins Game Guide | gamepressure.com
Mad Hatter confirmed for Batman: Arkham Origins | Attack of the Fanboy