Free Sudoku

Features Free Sudoku

Sudoku is a logic-based, combinatorial number-placement puzzle.
The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid (also called "boxes", "blocks", "regions", or "subsquares") contains all of the digits from 1 to 9.
The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a unique solution.Features:● 3 difficulty levels● Auto-fill,and also you can shut this feature● Check errors● Clear notes● Auto-save
Have fun!