15 puzzle - Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square

The 15-puzzle is a sliding puzzle that consists of numbered square tiles in random order with one tile missing. It's also called Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square. Objective - The object is to place the tiles in order by making sliding moves using the empty space. Lets try this... Shake your device to shuffle and start playing.