Here is the full list of all 10 Feel-A-Maze achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Earn Triple Stars on Three Levels
Earn one star (or more) in all 40 levels.
Drag your finger 5000 in game Kilometres.
Double Star (or better) at least ten levels.
Unlock all 40 levels
Earn Triple Stars on one level.
Earn your first ten stars!
Earn 100 Stars
Get Double Stars (or more) in all 40 levels.
Get Triple Stars in all 40 levels.