Terms of Use

Updated: August 7, 2026

Acceptable use

You may use Nova Sudoku for personal and educational purposes. Do not disrupt the service, automate abusive traffic, exploit vulnerabilities or harass other players.

Interactive content

Display names and messages must remain appropriate. The site owner may remove rooms, restrict access or add moderation controls when necessary.

Achievements and Puzzle IQ

Puzzle IQ is an entertainment score tied to difficulty. It is not an IQ test, medical or psychological assessment, or a promise of cognitive improvement.

Availability and ownership

The service may change, undergo maintenance or become temporarily unavailable. The brand, interface and source code belong to the project owner under the applicable licence.