Please see screenshots. It is seems famous puzzle that you know, but not so. This is our original puzzle "Skewdoku".

    How to play

    (1) Put one of the numbers given in empty cells

    (2) Digits can not repeat on each diagonal line

    (3) Each region bounded by thick border contains each digit exactly once

    This app has 4 patterns of board size. These are 5x5, 6x6, 8x8 and 9x9.

    Skewdoku is very hard to solve. Let's enjoy new experience to think !

    If you want to play more Skewdoku puzzles, please request.

    In this application, we adopted a new input method "Thumb One" for a smart phone. When you are working with a smart phone with one hand, you can enter the answer and pencil marks in just thumb of one hand.

    If you are interested in "Thumb One", please see this movie.

    "Skewdoku" is a main part of "Umekichi Project".

    Released on December 31st 2013.