Have 1,000,000 bolts banked.

Play an offline-only game. (2P +)

Escape the Polar Sea.

Destroy all of the towers in Gorthon Crater.

Use the Co-op overload to kill 60 enemies.

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

Fully upgrade one weapon.

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

Kill 50 enemies in a row using melee without taking damage.

Kill 150 enemies with melee.

Defeat the Wigwump.

Buy half of the weapons.

Complete 20 story missions without switching to a new horse at a hitching post.