To watch the demo video, click on the icon in the upper right corner.

When you click on any tile, it and all its nearest neighbors flip and change color.

To shuffle the tiles randomly, click on the third button from the left.

You can also shuffle the tiles by repeatedly clicking on the center button or simply by randomly tapping on the tiles.

Once the tiles are shuffled, try to return them to their original state.

By clicking on the third button from the right, you can restart the game.

The plus and minus buttons change the size of the playing field. When the field size is changed, it returns to its original state.

If you press the right button once, the tiles will show their serial numbers.
Pressing the same button again will show circles on the buttons that you need to press to win.
Pressing the button a third time will remove all information from the tiles.

To close this page, click on the cross in the upper left corner.