Number Slide Puzzle is a sliding puzzle consisting of a frame of numbered square tiles in random order, There is one empty space in the tray the size of one plate, which can be used to move the dice inside the tray. The goal of the game is to arrange the placement of the numbers in the tray by placing them in ascending order from left to right and top to bottom, starting with the number 1 in the upper left corner and ending with an empty space in the lower right corner of the tray.