Privacy Policy

Effective Date: October 18, 2026

This Privacy Policy explains how Quaternity LLC ("we", "us", or "our") collects, uses, and protects your personal information when you use play.quaternity.com (the "Site").

1. Information We Collect

When you create an account, we collect your email address, first and last name, a nickname, and your country. Country is the only location information we collect. We do not collect home or postal addresses. When you play, we store your games, moves, scores and ratings. Passwords are stored only in hashed form.

2. How We Use Your Information

We use your information to maintain your account, provide access to our game, and keep the Site secure and working. If you opt in, we also use your email address to send you updates (see section 3). We use your country to determine which privacy laws apply to you. Other players only see your nickname. We do not sell, rent, or disclose your personal information to third parties, other than the subprocessors listed in section 7.

3. Marketing Communications

If you opt in when you create your account, we will email you about new activities and benefits of the Quaternity project. We do not send any other marketing, and we do not sell your data. You can opt out at any time using the unsubscribe link in any email or by contacting us.

4. Data Retention and Deletion

Your personal information is retained for as long as your account is active. If you choose to close your account, all stored personal data will be permanently deleted.

5. Data Security

All connections to the Site are encrypted (HTTPS/TLS). Stored data is encrypted at rest. Passwords are hashed and never stored in readable form. Access to personal data is restricted to authorised Quaternity staff.

6. Hosting Provider

The Site and all of its data are hosted by Amazon Web Services (AWS) in the European Union, in the eu-west-1 (Dublin, Ireland) and eu-central-1 (Frankfurt, Germany) regions.

7. Subprocessors

We use the following subprocessors to run the Site:

• Stripe

• Amazon Web Services (AWS)

• Sentry

8. Children's Privacy

The Site is intended for players aged 8 and over. Players aged 8 to 12 may only use the Site with the consent of a parent or guardian, or through a program arranged by their school. We do not knowingly collect personal information from children under 8. If we become aware of such data being collected, we will delete it promptly.

9. Changes to This Policy

We reserve the right to update this Privacy Policy at any time. Any changes will be posted on this page with an updated effective date.

10. Contact Information

If you have any questions about this Privacy Policy, or wish to access or delete your data, please contact us at: tom@quaternity.com