Give your readers one calm Sudoku each day
The puzzle updates each day, works with a keyboard or touch, and sends no advertising trackers. Paste the code into any page that accepts an iframe.
Live preview
Embed code
<iframe src="https://doku.su/embed/daily?lang=en&difficulty=medium&v=1" title="Daily Sudoku from Sudoku Coach" width="100%" height="720" loading="lazy" sandbox="allow-scripts allow-popups allow-popups-to-escape-sandbox" allow="camera 'none'; geolocation 'none'; microphone 'none'" referrerpolicy="strict-origin-when-cross-origin" style="max-width:640px;border:0"></iframe>
<p><a href="https://doku.su/learn/sudoku-techniques" target="_blank" rel="noopener">Daily Sudoku by Sudoku Coach</a></p>Free for educational and editorial websites. Keep the source credit in the supplied embed code.
What the widget includes
- ✓ A responsive 9 × 9 daily puzzle
- ✓ Keyboard, touch, erase, and mistake feedback
- ✓ English or French instructions
- ✓ A small source credit for learners who want the technique guides