Fifteen Puzzle

Fifteen puzzle.

The 15-puzzle is a sliding puzzle that consists of a frame of numbered square tiles in random order with one tile missing. The rules of Fifteen 15 Puzzle are simple, slide the tiles in order from one to fifteen. Solve the puzzle the fastest you can and use the least amount of moves.

Features:
- 3 levels of severity (8, 15 and 24 tiles)
- time counter
- moves counter
- Ability to move several tiles in one move