Privacy Policy

Last updated: May 13, 2026

1. Introduction

WinitMahjong ("we", "us", or "our") is committed to protecting your personal information. This Privacy Policy explains what data we collect, how we use it, and your rights regarding that data. By using WinitMahjong, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

We collect the following categories of information:

Account Information: When you register, we collect your display name, email address, and a hashed version of your password. We do not store plaintext passwords.
Gameplay Data: We record game results, scores, hand histories, and in-game actions to provide game features, calculate statistics, and improve the Service.
Usage Data: We automatically collect information about how you interact with the Service, including pages visited, features used, and session duration.
Technical Data: We collect your IP address, browser type, device type, and operating system to maintain security, diagnose issues, and improve performance.

3. How We Use Your Information

We use the information we collect to:

  • Provide, maintain, and improve the Service.
  • Manage your account and authenticate your identity.
  • Track game statistics, leaderboards, and progress.
  • Detect and prevent fraud, cheating, and abuse.
  • Send you important service-related communications.
  • Respond to support requests and inquiries.
  • Analyse usage patterns to improve user experience.

4. Cookies and Tracking

We use session cookies to keep you logged in and remember your preferences (such as dark mode). We do not use third-party advertising cookies or sell your data to advertisers. You can configure your browser to refuse cookies, though some features of the Service may not function correctly as a result.

5. Data Sharing

We do not sell, trade, or rent your personal information to third parties. We may share data in the following limited circumstances:

  • With service providers who assist in operating the Service (e.g. hosting, analytics), under strict confidentiality agreements.
  • When required by law, court order, or governmental authority.
  • To protect the rights, property, or safety of WinitMahjong, our users, or others.

6. Data Retention

We retain your account data for as long as your account is active. If you delete your account, we will delete or anonymise your personal information within 30 days, except where we are required to retain it by law or for legitimate business purposes such as fraud prevention.

7. Security

We implement industry-standard security measures including password hashing, HTTPS encryption, and rate limiting to protect your data. However, no method of transmission over the internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

8. Your Rights

Depending on your location, you may have the following rights regarding your personal data:

  • Access — request a copy of the personal data we hold about you.
  • Correction — request that we correct inaccurate or incomplete data.
  • Deletion — request that we delete your personal data.
  • Portability — request your data in a machine-readable format.
  • Objection — object to certain types of data processing.

To exercise any of these rights, contact us at [email protected].

9. Children's Privacy

The Service is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that we have inadvertently collected such information, we will take steps to delete it promptly.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by updating the date at the top of this page. Your continued use of the Service after changes are posted constitutes acceptance of the updated policy.

11. Contact

If you have any questions about this Privacy Policy, please contact us at [email protected].

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