Complete Chapter 2 in Leon's campaign.

Complete Chapter 1 in Leon's campaign.

Complete the tutorial.

KO all the henchmen celebrating your arrival at the party

Solve 70% of riddler challenges

Complete a combo of 20 moves (any play mode)

Defeat the giant Titan Ivy plant

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

Venture into Killer Croc's lair and come out alive

Defeat two Titan Henchmen at once

Solve 25% of riddler challenges

Face your biggest fears and keep your sanity