[youtube http://www.youtube.com/watch?v=dbwZeBXF1Z8&w=560&h=349]Batman. He’s dark, he’s brooding, he’s a complicated character. And that’s exactly the sensibility that carries over to the sequel of Batman Arkham Asylum, better known as Batman Arkham City, due October 18, says Dax Ginn, Marketing Game Manager for Rocksteady Studios. The main difference between the previous game is that Batman Arkham City is an open-world game where Batman floats around delivering justice. A lot of game play is around the dark psychology of Batman as a mortal human character. Watch.