Free browser games · No download
Free Sudoku Online
Solve a classic 9×9 Sudoku puzzle directly in your browser. Choose a difficulty, use pencil notes when needed and take a break whenever you like.
Play Sudoku →How to play
- Fill every row with the digits 1 to 9, without repeating a number.
- Fill every column with the digits 1 to 9, without repeating a number.
- Each 3×3 box must also contain the digits 1 to 9 exactly once.
Tips for a better score
Start with rows, columns or 3×3 boxes that already contain many numbers. Use notes to track candidates rather than guessing.
Frequently asked questions
Is this game free?
Yes. You can play directly in your browser without paying or downloading an app.
Can I play on a phone?
Yes. Mindora games are designed for modern mobile and desktop browsers.
Do I need to create an account?
No account is required to start playing.
Ready for another challenge?
Try Memory Match, or browse all Mindora games.
Play Sudoku →