It's like writing with a pen on paper.

and the ease of playing the game.

Customizable Sudoku

It's a game, but you can play it as if you were writing with a pen on a piece of paper.

You can customize the assist function to your liking.

-You can customize the assist function and play with your favorite settings.

You can customize the assist function to play with your favorite settings.

We want to keep the paper-and-pencil style, but make it easier to play...!

You can turn on/off various assist functions such as ...... to your liking.

-The game can be played anytime, anywhere, even if it takes a long time.

-There are a total of 300 problems in EASY, NORMAL and HARD difficulty levels.

There are 300 problems in three difficulty levels: EASY, NORMAL and HARD.