Answer the call for help

Hammer the point home

Save the medical volunteers

Become the Bat

KO all the henchmen celebrating your arrival at the party

Complete a combo of 20 moves (any play mode)

Venture into Killer Croc's lair and come out alive

Defeat two Titan Henchmen at once

Capture and lock up Harley Quinn

Save Dr. Young from being killed by Victor Zsasz

Gain access to Administration after it is locked down by the Joker

Defeat Bane

Save all the doctors in medical