Have 100,000 bolts banked.

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

Fully upgrade one weapon.

Make five enemies drop their grenade by shooting them

Complete one Cooperative Multiplayer game

Successfully counter all of a Brute’s damage-giving attacks

Defeat 20 enemies with hand-to-hand combat

Kill 50 enemies with the Vac-U 4000.

Use the Co-op overload to kill 60 enemies.

Defeat Commander Spog.

Get 10 critters on screen at once.

Buy half of the weapons.