With a very easy gameplay! Just run, play and enjoy! You can play with numbers or with your pictures.
Someone calls this game Gem Puzzle. Others call it Boss Puzzle, Game of Fifteen, Mystic Square, 15-puzzle or just 15. It is a sliding puzzle that consists of a frame of numbered square tiles in random order with one tile missing. Your goal is to place the tiles in order by making sliding moves using the empty space.