15 Puzzle is a classic sliding puzzle game! Slide the randomly placed number blocks to arrange them in the correct order! Play 3 Levels of difficulty:- Easy - 3x3 (1-8) Medium - 4x4 (1-15) Hard - 5x5 (1-24) 15 puzzle is the perfect puzzle game to kill time, whether you're waiting at the Subway or at a Coffee Shop! Play it whenever, wherever and never be bored again! So, what are you waiting for? Kill your boredom, Download 15 Puzzle Now!