Escape the Polar Sea.

Kill 100 enemies with Mr. Zurkon out.

Use the Co-op overload to kill 60 enemies.

Defeat King Sepiad.

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

Kill 500 enemies.

Barbecue four enemies at the same time using the Pyro Blaster.

Kill 50 enemies with the Vac-U 4000.

Defeat the Wigwump.

Buy half of the weapons.

Play a single-player game.

Create a custom pod

Kill eight enemies in two seconds.