Complete story mode on Easy difficulty

Solve 25% of riddler challenges

Venture into Killer Croc's lair and come out alive

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

Capture and lock up Harley Quinn

Face your biggest fears and keep your sanity

Solve 10% of riddler challenges

Survive the nightmare of the Scarecrow's fear gas

Save all the doctors in medical

Complete a combo of 10 moves (any play mode)

Take down Zsasz in the Patient Pacification Chamber

Acquire Medusa’s Gaze