"M-Roof" is a puzzle game where you can learn the structure of the roof in 3D. You can enjoy image training even on a roof with a complicated shape like a puzzle by placing puzzle pieces of different colors in each level of the purlin on various types of roof shapes. The game becomes more difficult when you move to the next the world, such as "easy", "normal", "hard", and "super". We also have worlds with shorter time limits than usual, such as "Normal 2", "Hard 2", and "Super 2". The faste