Complete one combat challenge without taking damage (any character)

Reunite the separated couple

A deadly game of hide and seek

Uncover the secret of Arkham City

Last man standing

Solve the first riddle

Complete a combo of 50 moves (any play mode, any character)

Clear the airwaves

Completed Chapter 1 of Episode 1

Drop in on an old friend

There is only one way in

Open all endings

Lose 70 times