Here is the full list of all 13 Prompt achievements.
Died 512 times on a single level.
Completed the full run challenge. Wow!
Best the developer in all timed challenges. Congrats!
Some things are best left undiscovered...
Beat every level in the game.
Collected every key.
Hardcore levels completed.
You have way too much time on your hands.
Upload a level to Steam Workshop.
Use the editor while green tint is on.
Tutorial completed.
Hard levels completed.
Jump for the first time.