Fifteen Number Sliding Puzzle (n=16)

ゲームの説明
Classic fifteen number sliding puzzle. Move pieces around and you will figure out tricks that help to place tiles in their respective places (in the increasing order of numbers, leaving the last tile empty). You can leave suggestions or tricks to solve the puzzle on "fifteen number sliding puzzle" game blog page
How to play
Click on a tile near the empty space to push it to the empty space