A nostalgic puzzle, just move the numbers arranged separately up, down, left and right to align them. You can choose from 5 faces: 9 faces, 16 faces, 25 faces, 36 faces, and 49 faces.
It's easy to operate, just touch the numbers on the top, bottom, left, and right of the blank surface you want to move. Have a simple brain teaser in your spare time!
In addition, you can record the scores up to the 10th best on each side, and you can compete for scores. (For user recognition, nickname registration only for this game is required)