Classic Sudoku - 9x9 Puzzles

"Classic Sudoku - 9x9 Puzzles" is a free game that allows you to play Sudoku on various difficulty levels, with features such as hints, note-taking, auto-checking, and highlighting of duplicates. Whether you're looking for a relaxing pastime or a challenging mental workout, this game provides a realistic Sudoku experience that you can enjoy anywhere. With five levels of difficulty, you can customize the game to your skill level and preferences.