Ride Titan henchman and knock down 10 thugs (any play mode)

Venture into Killer Croc's lair and come out alive

String up one henchman and drop him to surprise a second (any play mode).

Capture and lock up Harley Quinn

Save Dr. Young from being killed by Victor Zsasz

Complete a combo of 20 moves (any play mode)

Solve 10% of riddler challenges

Solve 5% of riddler challenges

Save all the doctors in medical

Escape from Intensive Treatment to the island surface

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 5 moves (any play mode)

Find ten treasures