15 Slide Puzzle is an advanced version of the well-known fifteen puzzle game. It consists of 15 squares numbered from 1 to 15 that are placed in a 4x4 box leaving one position out of the 16 free. The goal is to reposition the squares from a given arbitrary starting arrangement by sliding them into the free spot with the least moves and time. With 15 Slide Puzzle you have ability to play with your pictures instead of standard numeric board. Available picture formats are (.jpg, .gif, .tiff, .bmp) Play with various game boards from 3x3 up to 8x8 squares. Play with sounds. All settings and game state are saved automatically when program closed, so starting again you can continue your old game from the same place.