Win a versus match

Win 10 versus matches

Win 100 versus matches

Finish 20 versus matches in a draw

Watch 10 fleshbirds pop

Watch 100 fleshbirds pop

Watch 500 fleshbirds pop

Watch 1000 fleshbirds pop

Watch 5000 fleshbirds pop

Die to a swinging hammer

Fall into a meat grinder

Get popped by a rolling spike ball

Jump through a teleporter

Die to the needles in the hypodermic stage

Die to ceiling Spikes

Get squashed by a falling holo-cube

Defeat a cronenbird in versus mode

Pick up a glob of radiation

Pick up the wings and beak gun powerup at the same time

Have more than 6 legs at once

Get a kill while you have no legs

Block a spike with a tumor

Clear 10 waves of cronenbirds in survival mode

Clear 20 waves of cronenbirds in survival mode

Clear 50 waves of cronenbirds in survival mode