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