Flick Sudoku

This is a Sudoku app(called Number place) that is corresponding flick input.
You can play it as fast as writing on paper.


The level of challenges which can be selected from beginners to advanced users.
The number of questions is overwhelmingly over 300!
Let's aim for the first place in the ranking at your best time!


It is one of the pencil puzzle games that puts numbers from 1 to 9 in a 9x9 square frame divided into 3x3 blocks. Also it is called "Number Place (Sudoku)" in English.


Firstly, put a number from 1 to 9 in the empty space.
The same number must not be included more than once in each of the vertical and horizontal columns and in the 3x3 block surrounded by thick lines.