String up one henchman and drop him to surprise a second (any play mode).

Solve 25% of riddler challenges

Face your biggest fears and keep your sanity

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

Conquer Stage 2.

Survive the nightmare of the Scarecrow's fear gas

Solve 10% of riddler challenges

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)

Collect all Constructo modifications.

Conquer Stage 1.

Vanquish Lord Vorselon.