The much awaited DLC for Batman: Arkham Asylum is finally arriving this Thursday. Insane Night is one of the two DLCs that will come out on the XBOX 360 and PlayStation 3. It will include two challenge maps and the best thing about this DLC, it’s free! If you finished playing Batman: Arkham Asylum and you’re looking for more challenge to yourself, this Thursday is the day you’ve been waiting for.