Steam achievements:
ACHIEVEMENT – HOW TO UNLOCK
All That Glitters – Gather 240 gems.
Apprehension – Enter the fourth eversion layer.
Beige Alert – Find the secret ending.
Commotion – Enter the sixth eversion layer.
Confusion – Enter the fifth eversion layer.
Deception – Enter the first eversion layer.
Desolation – Enter the third eversion layer.
Erosion – Enter the second eversion layer.
Friendly Reminders – See all alternate stage start messages.
Happily Ever After – Find the special ending.
Induction – Enter the final eversion layer.
Metaphor For The Atomic Bomb – Find the hidden item on each stage. Note: There is no additional ending.
The Princess Is In Another Castle – Find the regular ending.
What Have You Done – You tried to edit the main game files. Note: You cannot unlock other achievements or get high scores until the edits are undone. Custom maps can be used.