Fifteen - is a puzzle mosaic type. In this game you need to assemble the image. Image is divided into square pieces that can be moved by one blank space. Moving a piece on an empty space is freed elsewhere, it turns kind of chain reaction. The photo shows the eagles on the right side of the screen there are thumbnail pictures, which serves as a hint for the player. Perfect game develops logical thinking, and it can test the strength of any, even the most prepared player.