The handling of the Sliding Puzzle is simple.
Choose a level (Easy, Normal or Hard) from the dropdown above and start the mixing of the puzzle pieces with the "Tap Screen".
If the puzzle modul has finished the shuffling of the pieces, you can start with the solving of the puzzle.
To rearrange the pieces, just click on a tile to slide it to the empty place.
You can restart the slide puzzle at any time. Have fun!