Make space for one clear, satisfying puzzle.
Sudoku is a calm take on classic 9 x 9 number puzzles. Fill each row, column and 3 x 3 box with the numbers 1 to 9, with no repeats. Enjoy an offline Sudoku game for a short break or a longer logic challenge.
CLASSIC SUDOKU, AT YOUR PACE
Start with friendly Beginner boards and progress through six difficulty tiers: Beginner, Easy, Medium, Hard, Expert and Master. The challenge grows as you complete levels. A built-in puzzle catalog lets you start, resume and finish puzzles offline.
TOOLS FOR THOUGHTFUL SOLVING
• Use up to three smart hints per game, with explanations of the next logical step.
• Add pencil notes to keep track of possible numbers.
• Undo a move or erase an entry when you want to rethink it.
• Turn on Digit-first mode to select a number and place it across the board.
• Follow helpful row, column, box and matching-number highlights.
KEEP YOUR PROGRESS
Your unfinished puzzle saves automatically on your device, so you can pick up where you left off. Review your puzzle history, times, mistakes, hints and local statistics as you play.
MAKE THE BOARD YOURS
Choose light, dark, warm or system themes. Adjust the timer, mistake checking, remaining-number counts, sound and haptics to suit your playing style. A reduced-motion option is also available.
No account is required. Your game progress and preferences stay on your device. Additional online puzzle requests do not require an account. Optional analytics and crash diagnostics are enabled only after you agree.
Enjoy classic Sudoku puzzles, a clear board and a little time to focus.
Classic Sudoku offline with smart hints, pencil notes and progress tracking.