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