Complete story mode on Easy difficulty

Defeat the giant Titan Ivy plant

Solve 25% of riddler challenges

Conquer the effects of the Scarecrow's fear gas

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

Complete a combo of 20 moves (any play mode)

Solve 5% of riddler challenges

Complete a combo of 10 moves (any play mode)

Complete a combo of 5 moves (any play mode)

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a Challenge (Multiplayer).