Mon, Sep 14, 2009 | 18:40 BST
The first of Batman’s free DLC packs, Insane Night, will contain two Challenge Maps when it releases for PC, 360 and PS3 on September 17.
The levels are called Totally Insane and Nocturnal Hunter. Details after the break.
A second pack, Prey in the Darkness, will land on September 24.