Sudoku
Play free Sudoku with easy, medium and hard puzzles — every puzzle is generated fresh with a unique solution.
Instant play Works on mobile 100% free No sign-up
How to play Sudoku
- Select a cell and type 1–9 (or use the number pad).
- Every row, column and 3×3 box must contain 1–9 once.
- Conflicts are highlighted in red.
- Use Notes mode for pencil marks and Hint if you’re stuck.
Free & fair
Free to play with no sign-up, downloads or in-game purchases.
Nothing is saved: scores last only while this page is open.
Keyboard, mouse and touch controls on desktop and mobile.