Defeat 50 enemies with the Dragon Sniper

Find 20 treasures

Defeat 30 enemies with Mk-NDI grenades

Find ten treasures

Defeat three enemies with one explosion

Defeat 20 enemies with hand-to-hand combat

Complete a combo of 10 moves (any play mode)

Survive the nightmare of the Scarecrow's fear gas

Solve 5% of riddler challenges

Complete a combo of 5 moves (any play mode)

Rescue the guards and henchman from the Joker toxin in Decontamination

Leap 100 times while playing stages.