Privacy

Murder Sudoku 3D is a free puzzle game without accounts, ads, or tracking. This page explains what happens with your data.

Last updated: October 11, 2026

On the website

The game has no analytics, no cookies, and no ads. It doesn't load anything from other websites: the code, the 3D library, and the fonts all come from the site itself.

The website is hosted on GitHub Pages. GitHub may log technical data, such as your IP address, to keep the service secure. See the GitHub Privacy Statement.

Your progress

There are no accounts. Your progress, settings, and language choice are saved only on your own device, in your browser's local storage. Nothing is sent to a server. Clearing your browser data deletes them.

Feedback

The feedback button opens a prefilled form on GitHub in your browser. If you submit it, your message is public and the GitHub Privacy Statement applies.

Contact

Questions about privacy? Open an issue on GitHub.