Clear Stage 1 without dropping the axe.
Clear Stage 1
Defeat General Slaughter without taking damage
Clear Stage 2
Don't take any damage from Flappers. (No Shooting)
Shoot down 20 bat rats.
Defeat Rodent Rocket without taking damage
Defeat Rodent Rocket using only max powered shots
Clear Stage 3
Defeat the Darkling without taking damage
Clear Stage 4
Defeat Whup without taking damage
Clear Stage 5
Clear Stage 6
Defeat Big Blag without taking damage
Reach Big Blag with the sword
You've been slimed
Defeat Big Blag without jumping
Clear Stage 7
Defeat General Vermin without taking damage
Lift General Vermin 10 times
Clear Stage 8
Clear stage 8 within 20 seconds or lower
Beat the Game
Beat the game without using a continue
Let Wurm's brain pass you and finish the race
Big Boot 10 Enemies
Finish off General Vermin with a big punch