Create your own
On the left you can create your own Japanese puzzle: click on the squares you want to be filled (or click again to empty them), untill you have the desired image. When you are done - click on Check, and the computer will verify whether your Japanese puzzle can be solved, and has a unique solution. If so - you can save the puzzle so other people can play it. This way - you can create your own customised Japanese puzzles!
Change board size
The default game board is 20x20. If you want a different size, select the height and width below, and click on Change. You can even use an image on your computer to create the puzzle.