Defeat the Loki Master.
Escape the Polar Sea.
Buy all of the weapons.
Have 100,000 bolts banked.
Destroy 30 enemies while they're distracted by the Doppelbanger.
Use the Co-op overload to kill 60 enemies.
Complete Terawatt Forest.
Kill eight enemies with one shot.
Defeat King Sepiad.
Buy half of the weapons.
Shoot all of the slorgs back into the waters of Octonok Cay.
Defeat Commander Spog.
Revive a teammate with one second left on their timer. (2P +)
Kill 500 enemies.
Kill 150 enemies with melee.
Defeat the Wigwump.
Fully upgrade one weapon.
Play an offline-only game. (2P +)
Kill eight enemies in two seconds.
Defeat the octomoth.
Defeat the Z'Grute.
Buy your first weapon.
Play a single-player game.
Get all of the Trophies in the game.
Don't let the air taxi take damage in Luminopolis.
Destroy all of the towers in Gorthon Crater.
Use only Reflectors to destroy the generators in Phonica Moon's security tunnels. (2P +)
Get through the laser walls at the end of Uzo City in 45 seconds.
Get through Rossa Fields without using any of the energy repositories.
Barbecue four enemies at the same time using the Pyro Blaster.
Kill three enemies with one attack using the Blitzer.
Get 10 critters on screen at once.
Kill eight enemies in eight seconds using the Darkstar Fission Tether with two or more teammates.
Kill 100 enemies with Mr. Zurkon out.
Kill 50 enemies in a row using melee without taking damage.
Absorb 500 shots with the Quantum Deflector.
Kill 15 enemies that have been slowed down by the Zoni Blaster.
Kill 15 enemies while using the Cloaker.
Blow up 85% of the exploding crates in Aldaros Plains.
Fully upgrade all weapons.
Kill 50 enemies with the Vac-U 4000.
Have 1,000,000 bolts banked.
Reach the lobby.
Play an online game.
No one gets hit by a grove beetle in the Deadgrove.