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