The electronic version of the classic puzzle game known as the Game of 15. The game consists of a square-shaped grid divided into rows and columns, on which tiles are placed, numbered progressively from 1. The tiles can be moved horizontally or vertically, but their movement is limited by the presence of a single empty space. The aim of the game is to reorder the tiles after they have been randomly shuffled (the position to be reached is the one with the number 1 in the top left corner and the o