Clear 1 course in Arcade (tag) mode.

Survive the nightmare of the Scarecrow's fear gas

Solve 10% 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 5 moves (any play mode)

Have a Team Fight.

Play a Ranked match.

Create your own online lobby.

Save a replay.

Turn Danger Zones off on the Stage Select screen.

Change the background music settings.