The 15-puzzle (also called Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square and many others) is a sliding puzzle that consists of a frame of numbered square tiles in random order with one tile missing. The object of the puzzle is to place the tiles in order by making sliding moves that use the empty space.
ruby 1.9.x or older (visit http://www.ruby-lang.org/)
shoesrb 3 (visit http://shoesrb.com/)
For more information please read this Manual
Dmitry Melnick email@example.com
You can also clone the project with Git by running:
$ git clone git://github.com/melnickforever/15Puzzle