Complete Destroy Malevolence.

Complete Duel of the Droids.

Buy all of the weapons.

Shoot all of the slorgs back into the waters of Octonok Cay.

Kill 500 enemies.

Get 10 critters on screen at once.

Defeat the Wigwump.

Revive a teammate with one second left on their timer. (2P +)

Kill 50 enemies with the Vac-U 4000.

Kill eight enemies in two seconds.

Buy your first weapon.

Complete a level with more than one player