Sudoku is a classic free online puzzle game that challenges your logic, focus, and problem-solving skills. The objective is simple: fill the 9x9 grid with numbers so that each column, row, and 3x3 box contains all digits from 1 to 9 without repetition. It’s relaxing, rewarding, and highly addictive. Whether you're a beginner or a seasoned expert, Sudoku offers multiple difficulty levels to match your skill. With no download, no login, and no installation required, you can play instantly anytime, anywhere. Test your brain, sharpen your mind, and enjoy hours of mental exercise with this timeless number game.
Select your difficulty level and begin the game.
Click on a cell and enter a number from 1 to 9.
Each number must appear only once in every row, column, and 3x3 square.
Use pencil marks or notes to help track possible numbers.
Complete the grid correctly to win the game!
Start with the easy puzzles to practice your logic and strategy.
Look for rows, columns, or boxes with the most numbers already filled in.
Use process of elimination to rule out impossible numbers.
Don’t guess stay logical and patient for long-term success.
Use the note feature to keep track of possible entries for each cell.
Yes! Sudoku is completely free to play online with no download or installation required.
No, you can play Sudoku instantly online without creating an account or logging in.
Yes, Sudoku is optimized for both desktop and mobile devices for easy access anywhere.
Yes, you can choose from easy, medium, hard, and expert levels to match your experience and skill.
Absolutely! Playing Sudoku regularly can help improve memory, logic, and concentration skills.
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