Here is the full list of all 21 Can of Wormholes achievements.
Obtain a sigil.
Roll a worm.
Slice up a worm.
Discover how worm food is made.
Use the pits to your advantage when rolling a worm.
Connect two terminals together.
Free yourself from the constraints of a body.
Bust through a fence.
Climb on top of a wall.
Consume your own tail.
Find the path back home.
Help others return home.
Head home in style.
Reveal a rocket silo.
Launch a worm in a rocket.
Throw the perfect wormhole without aim assist enabled.
Fail spectacularly.
Assemble a team of worms.
Pilot a vessel.
Guide the vessels to freedom.
100% complete a save file.