Puzzle N^o 1

The object of the game is to put the numbers in order.

You can move one, two or three tiles horizontally or vertically by clicking the first, second or third tile from the empty space (diagonal moves are not allowed).

To start a new game, click the Reload button, or type Ctrl+R (Mac: Command+R). Then mix up the tiles for twenty or thirty seconds.

You can download Pasquale's 15-Slide Puzzle for Windows. It includes automatic new puzzles and a timer.