Current version: 1.0, last update: 7 years ago
First release : 21 Nov 2014
App size: 1.3 Mb
A very popular number puzzle origin from Japan,
The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids that compose the grid contains all of the digits from 1 to 9.