Capture and lock up Harley Quinn

Face your biggest fears and keep your sanity

Gain access to Administration after it is locked down by the Joker

Solve 5% of riddler challenges

Survive the nightmare of the Scarecrow's fear gas

Escape from Intensive Treatment to the island surface

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 5 moves (any play mode)

Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.

Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.

Complete the Single Player campaign on any difficulty.

Assault Makarov's safe house.