Object : recreate the starting configuration.
 
A simple extension of the 15-puzzle.
 
First click the green button at the top left to randomize the board.
Click one of the arrows to rotate the numbers horizontally.
Click a number to shift one or several pieces toward the position with the missing piece.
You win when you can recreate the original setup.
 
 
More freeware as well as real games at puzzles at http://karl.kiwi.gen.nz.