Contact

DaySudoku is a lightweight static browser game without accounts or private account support.

Bugs and product feedback

Use the DaySudoku GitHub issue tracker to report a bug or suggest an improvement.

For a useful bug report, include:

GitHub issues are public. Do not include personal, confidential, payment, or other sensitive information.

Gameplay help

For rules and input instructions, see How to Play Key9. DaySudoku has no account, so there is no password, login, or cloud-progress recovery process.