Defeat the giant Titan Ivy plant

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

Venture into Killer Croc's lair and come out alive

Defeat two Titan Henchmen at once

Save Dr. Young from being killed by Victor Zsasz

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

You have completed the first mission.

Solve 5% of riddler challenges

Save all the doctors in medical

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 5 moves (any play mode)

Survive the onslaught from the deformed Joker henchman