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