How do you play sudoku online?

Fill the 9×9 grid so that every row, every column and every 3×3 box contains the digits 1 to 9 — with no repeats. Click a cell, then a digit on the on-screen pad. Wrong (duplicate) digits are highlighted in red. Every board has exactly one solution.

What is the daily sudoku puzzle?

The "Daily puzzle" is the same for every player and changes at midnight. "New game" deals a fresh unlimited board.

Free online Sudoku – daily puzzle and 4 difficulty levels

Play sudoku online for free — no registration and nothing to install. A daily puzzle awaits every day, plus unlimited boards at four difficulty levels, from easy to expert. The game works on your phone and computer, and your times and statistics are saved in your browser.

How to play

Fill the 9×9 grid so that every row, every column and every 3×3 box contains the digits 1 to 9 — with no repeats.
Click a cell, then a digit on the on-screen pad. Wrong (duplicate) digits are highlighted in red.
The "✏️ Notes" mode lets you pencil small candidate digits into empty cells. Placing a real digit automatically clears notes in its row, column and box.
Keyboard: arrow keys — move around the board, digits 1–9 — enter, 0 / Backspace / Delete — erase, N — notes.
The "📅 Daily puzzle" is the same for every player and changes at midnight. "New game" deals a fresh unlimited board.
Every board has exactly one solution. Your time and statistics are saved in your browser.

🔢 Sudoku

How to play