Sudoku Puzzle

How to play: Place 1 to 9 into each grid cell so that each number can only appear once in each row, each column and each mini-grid. Features: - 2500 puzzles (More puzzles will be coming soon!) - 4 level: easy, normal, hard, super hard. - Pencil marks and highlight. - Hints to help you complete hard ones. - Auto-save. Earn Star points to unlock packages, help solving puzzle, ... (no in-app purchase!)