Kill 100 enemies with Mr. Zurkon out.

Buy all of the weapons.

Kill eight enemies in eight seconds using the Darkstar Fission Tether with two or more teammates.

Defeat the Wigwump.

Buy half of the weapons.

Play a single-player game.

Defeat the octomoth.

Defeat the Z'Grute.

Kill eight enemies in two seconds.

12 Hours of exercise time

Collect 1,000,000 bolts.

Defeat General Azimuth and save the universe.