Clear the airwaves

Drop in on an old friend

There is only one way in

Save the damsel, but is she in distress?

Gain access to Arkham Mansion after it is locked down by the Joker

Collect the formulae for 6 different bomb types.

Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.

Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).

Kill at least 5 opponents in under 10 seconds.

Survive the nightmare of the Scarecrow's fear gas

Solve 5% of Riddler challenges

Complete a combo of 10 moves (any play mode)

Take down Zsasz in the Patient Pacification Chamber