Complete the indicated task to unlock the achievement.

Achievement	How to unlock
101 Spikes	Trigger spike traps 101 times.
Bad Touches	Get grabbed by Blue Devil three times.
Bat Marm	Never harm little bats! Ever!
Beat Big Bat	You bested Big Bat! Have you ever seen a bat so big?
Beat Blue Devil	You bested Blue Devil! Necessity is the moth of invention.
Beat Chainsaw Megamaniac	You bested Chainsaw Megamaniac! There's no chainsaw maniac tougher than this one.
Beat Eyeskuller	You bested Eyeskuller! Eye spy with my little eye something that's about to explode!
Beat Green Hydra	You bested Green Hydra! Two heads are better than none, but that won't slow us down.
Beat Manleech	You bested Manleech! Say your lamprey-ers!
Beat Red Devil	You bested Red Devil! Yow, it's hot in here!
Bulletproof Pumpkin	Beat a world without taking a hit.
Chainsaw Dance	Make Chainsaw Megamaniac leave his chainsaw behind when he dies.
Crow No...	Run away from a crow for a very long time.
Hardcore Gourd	Beat the game with 1 HP Mode enabled! HARDCORE!!!
Killed By Death	Destroy five hanging skeletons before they hit the ground.
Let Sleeping Frogs Lie	Wake up 6 sleepy frogs.
Ooze It or Lose It	Watch Manleech vomit 10 times. Yucky!
Secret Seeker	Destroy a breakable wall.
Spider Inciter	Knock five spiders off the wall.
Win the game as Pumpkin Man	You won as Pumpkin Man! Get pumped!