Defeat 20 enemies with hand-to-hand combat

Master the hoverboots.

Defeat the Hypersonic Brainwave Scrambler

Retrieve Chief Zahn's Zoni Vessel.

Complete any mission in 2 player co-op

Choose a side.

Protect a city.

You or other players on your team must destroy 250 health containers.

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 5 moves (any play mode)

Complete a Jungle or Tundra mission without going Man Down

Replay a mission and earn a higher score