Sudoku Online Free — Play Sudoku Puzzle No Download
Play Sudoku online free — the classic number puzzle that challenges your logic. Fill the 9×9 grid so each row, column, and 3×3 box contains digits 1–9. No download, no signup.
Play Sudoku Now →How to Play Sudoku
- Look at the pre-filled numbers and find rows, columns, or 3×3 boxes with the fewest empty cells
- Fill each empty cell with a number from 1 to 9 — no repeats in any row, column, or box
- Use pencil marks to note possible candidates and eliminate them as you progress
Why Play Our Sudoku?
- Multiple difficulties — Easy, medium, and hard puzzles for all skill levels
- No download — Play instantly online on desktop, tablet, or phone
- Pencil marks — Built-in note-taking to help you solve tough puzzles
- Brain training — Sudoku boosts logic, memory, and concentration
FAQ
- What are the Sudoku rules?
- Each row, column, and 3×3 subgrid must contain the digits 1 through 9 exactly once. No repeats allowed in any of these 27 zones.
- Is there a hint system?
- Yes! If you get stuck, use the hint button to reveal one correct cell. Use it sparingly for the best experience.
- Can I play Sudoku offline?
- Our Sudoku runs in your browser. Once loaded, you can continue playing even without an internet connection.