Complete a combo of 10 moves (any play mode)

Save all the doctors in medical

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)

Clear wave 20 on any single map.

Find and destroy all the robots in the game.

Use every combat item at least once in the game.

Earn a support character.

Win once on every map as any team

Use the parachute once (2 seconds)

Get one kill playing as each class

Capture five flags