Terms of Use

1. Playing the game

STACK//ONE is provided for personal entertainment, free of charge. There are no cash prizes, wagers, or redeemable rewards. You are responsible for using the site in accordance with applicable laws. If you are not legally able to agree to these terms independently, use the site with a parent or guardian's permission.

2. Fair and responsible use

Do not interfere with the site's operation, attempt unauthorised access, distribute malicious links, impersonate the site, or use automation to overload it. Do not use the game or challenge links to harass others. Scores are local and unverified: do not present them as server-certified achievements.

3. Records and availability

Records and preferences are stored in your browser and may be lost when you clear site data, change devices, or use private browsing. We do not provide cloud recovery. Features may change, and access may be interrupted or discontinued. No particular score, uninterrupted availability, or compatibility with every device is promised.

4. Gameplay clips and site content

You may post your gameplay recordings, screenshots, and generated result cards, including in monetised creator videos, provided you do not imply an official partnership. Please link to the game so others can play. This permission does not transfer ownership of the site's branding, artwork, or code, and does not authorise republishing the whole site or selling its assets separately.

5. Advertising and external services

The site may introduce advertising in the future. Advertisements and external links are not endorsements. Third-party services have their own terms and privacy practices. Do not click advertisements to support the site, ask others to do so, or generate artificial impressions or clicks.

6. Privacy

The Privacy Policy describes local storage, optional sharing, hosting, and contact messages. Please do not include sensitive personal information in feedback.

7. Disclaimers and limits

To the extent permitted by law, the game is provided “as is” and “as available”, without warranties of uninterrupted operation or fitness for a particular purpose. To that same extent, the site operator is not responsible for indirect losses or loss of local game records arising from use of the site. Nothing in these terms excludes liability or consumer rights that cannot lawfully be excluded.

8. Updates and questions

Changes to these terms will appear on this page with an updated date. Review them when using new features. For questions, rights concerns, or other requests, use the Contact page.