Buy all items from the Survival Air Support Armory.

Clear "BAD GROUND."

Clear "YEARN FOR REFUGE."

Clear the jet ski chase.

Get a 100 hit combo

Find and destroy all Penguin bird cages

Defeat Catwoman

Disarm all Black Mask junction boxes

Catch a player in a snare trap in multiplayer.

Defeat Black Mask

Kill 20 enemies with the Chopper Gunner in a single run in "Return to Sender."

Kill all 5 enemies during the zero-g sequence in "Turbulence."

Find all armor upgrades