Sudoku

Sudoku is a logic-based, combinative number-placement puzzle.

The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 sub-grids that compose the grid contains all of the digits from 1 to 9.

FEATURES:

- four different difficulties

- hundreds of puzzles for each difficulty

- auto-save your progress for each puzzle

- unlimited undo/redo

- auto-fill drafts

- clean interface and smooth controls

- phones and tablets support