Legal

Terms of use

Last updated: July 13, 2026

By using 15 Puzzle Online, you agree to these terms. If you do not agree, please do not use the site.

Permitted use

You may use the site for personal, lawful entertainment. Do not interfere with the service, attempt unauthorized access, overload its infrastructure, or use automated traffic in a way that harms other visitors.

Availability and results

The game is provided on an "as is" and "as available" basis. We do not guarantee uninterrupted availability, preservation of local scores, or a particular puzzle outcome.

Intellectual property

The site's original interface, writing, and implementation are protected by applicable law. The traditional sliding-puzzle rules and mathematical idea are not claimed as exclusive property.

Limitation of liability

To the maximum extent allowed by law, 15 Puzzle Online is not liable for indirect or consequential loss arising from use of, or inability to use, the site.

Changes

We may update the site or these terms. Continued use after a revision means you accept the revised terms.