Defeat two Titan Henchmen at once

Capture and lock up Harley Quinn

Face your biggest fears and keep your sanity

Complete a combo of 40 moves (any play mode)

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

Survive the nightmare of the Scarecrow's fear gas

Complete a combo of 20 moves (any play mode)

Solve 5% of riddler challenges

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

Survive the onslaught from the deformed Joker henchman

Take down Zsasz in the Patient Pacification Chamber

Complete Tutorial Mode

Max out all the skills that allow you to level up.