Sudoku Classic: Daily Puzzle

Take a moment to focus with classic Sudoku. Solve 9x9 number puzzles at your own pace, enjoy a daily challenge, and learn the logic behind every move with step-by-step hints. Whether you are new to Sudoku or play every day, this relaxing number puzzle game gives you room to think. **Classic Sudoku, your way** - Choose Easy, Medium, or Hard difficulty. - Play 9x9 grids generated on your device, each with a unique solution. - Use pencil notes to track possible numbers, plus Undo and Erase. - Highlight matching numbers, rows, columns, and 3x3 boxes. - Choose relaxed mode or mistake checking with an optional three-mistake limit. - Pause to hide the board and stop the timer. **Learn with explained hints** Stuck on a move? Get Sudoku hints that explain the reasoning step by step instead of simply revealing the answer. Follow an interactive tutorial, learn single-candidate and single-position techniques, or calculate candidates automatically when you need help. Hint use is reflected in your game summary and statistics. **A daily Sudoku challenge** Solve the puzzle of the day and see completed dates on your calendar. Missed a day? You can also play challenges from earlier dates. Daily boards are generated on your device. **Track your progress** Review started and completed games, solve times, recorded mistakes, and hints used. Filter your stats by difficulty or time period. Your current Sudoku game is saved automatically, so you can continue where you left off. **Make it your game** Choose a light or dark theme, enlarge the numbers, and switch between cell-first and number-first input. The app supports English and Spanish. **Play Sudoku offline** Enjoy classic Sudoku without an internet connection or an account. Your boards, pencil notes, preferences, and game history stay on your device and do not sync across devices. Clearing app data or uninstalling removes your saved progress. **Ads and privacy** This game includes Google AdMob ads. An internet connection is needed to load ads, but not to play Sudoku. See the privacy policy for more information about advertising-related data. Enjoy Sudoku puzzles at your own pace, one number at a time.

Enjoy a refreshed emerald design, a cleaner board, and clearer digit counters. Difficulty levels now use distinct filled bars. We improved pencil mark readability and the presentation of your progress.