No missable achievements (plus 14 unknown)
Sign in with Steam or Xbox to track your progress, and:
Solve three maps and access the chapter II
Solve 5 maps.
Six maps solved, and Chapter III is open
Nine maps are done. You are ready to Chapter IV
You did it, 10 maps already solved.
Completed all maps of Chapter I.
Nice solutions, you just finished 20 maps.
The second chapter is completed.
Create and share a custom map with the community.
Not easy, but you did it. You got 30 maps finished.
You did it, Chapter III is done.
It's okay. You got your 40th map solved.
You have completed all original maps.
Can't believe it, you won the Chapter IV.