Fill the grid so every row, column, and 3×3 box contains 1-9!
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Sudoku
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About Sudoku
Give your mind a gentle workout with Sudoku: 3 puzzles, free to play in your browser. Fill the grid so every row, column, and 3×3 box contains 1-9! It's designed for comfortable reading and relaxed, pressure-free play.
Frequently asked questions
How big is Sudoku?
Sudoku includes 3 puzzles. You can play through as much or as little as you like in a sitting, and replay it any time for more practice.
Do I need to be fast or sign in to play Sudoku?
No. There's no timer rushing you and no account required. Sudoku uses large, high-contrast text and works on phones, tablets, and computers, so you can play comfortably at your own pace.
What's a good follow-up after Sudoku?
If you enjoyed Sudoku, try the Daily Challenge — five rotating questions refreshed every 24 hours that count toward your streak — or explore more memory games for a similar style of game.
Can I replay Sudoku?
Absolutely. Sudoku can be replayed as many times as you like at no cost. Your overall progress — XP, streaks, and badges — is saved automatically in your browser.
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Free printables
Free Sudoku Puzzles for Seniors
Large-print 9×9 grids from easy to hard, with the full solution on every sheet.