About game
Fill every row, column, and three by three grid with digits from one to nine to master the grid. Sudoku challenges your brain as you carefully place numbers without repeating them in any section. Beginners can start with easy puzzles to learn the basics, while experts can tackle intense difficulty levels that test pure logic. Every board is procedurally generated to ensure your focus stays sharp during every session. You will need sharp thinking to identify missing values and clear the board efficiently. This classic Sudoku experience offers a clean interface that allows you to highlight potential candidates or take notes directly on the grid. Success depends entirely on your attention to detail and ability to spot patterns hidden within the numbers. Play this timeless puzzle game for free in your browser right now without any downloads required.
Features
- Difficulty levels: Choose between Easy, Medium, Hard, and Expert modes to match your current skill level.
- Smart note-taking: Utilize the pencil mode to jot down potential candidates in each cell for complex deductions.
- Error tracking: Enable optional visual feedback that highlights mistakes immediately to keep your board clean.
- Persistent progress: Resume your active game session at any time without losing your current grid layout.
- Daily challenges: Test your consistency by completing a unique puzzle every single day to earn streaks.
Who is it for
Puzzle lovers who enjoy sharpening their analytical skills through daily mental exercise. Fans of logic games will appreciate the clean design and classic mechanics. Casual players seeking a quick brain teaser between tasks will find this digital board the perfect way to spend a few minutes of downtime.
Controls
Select cell
Click or tap on any empty grid square to highlight it.
Input number
Click the number keys below the grid or use your keyboard to place a digit.
Clear cell
Tap the eraser icon or press backspace to remove a previously placed number.
Toggle notes
Tap the pencil icon to switch between normal input and draft mode.
FAQ
Is Sudoku free to play on browser?
›
Yes, you can play Sudoku for free directly in your web browser with no registration or downloads needed.
How do I clear my mistakes in Sudoku?
›
Simply select the cell containing the wrong number and tap the eraser button to clear the field.
Can I save my progress in Sudoku?
›
The game automatically saves your current session, allowing you to close the browser and return to your Sudoku game later.
