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

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

Solve 10% of riddler challenges

Survive the nightmare of the Scarecrow's fear gas

Solve 5% of riddler challenges

Escape from Intensive Treatment to the island surface

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 10 moves (any play mode)

Kill no more than one zombie with a nuke. (Map Pack 2 only)

Score with a diving header in a match

Win an Online League match

In the final battle for Okinawa, save Sergeant Roebuck.