Don't look down

Survive the nightmare of the Scarecrow's fear gas

Complete a combo of 10 moves (any play mode)

Fight for survival

A deadly game of hide and seek

Uncover the secret of Arkham City

Drop in on an old friend

Singleplayer: Get a total of 30 pistol kills

Clear the airwaves

Answer a ringing phone

There is only one way in

Save the damsel, but is she in distress?

Take out 1000 enemies