Defeat 50 enemies with the 92FS - 9mm

Defeat 50 enemies with hand-to-hand combat

Defeat 75 enemies in a row without dying

Find one treasure

Kill 3 floating enemies.

KO all the henchmen celebrating your arrival at the party

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

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