Privacy Policy

Last updated: March 14, 2026

1. Introduction

HamsterMath ("we," "us," or "our") operates the website hamstermath.com (the "Service"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website. By using the Service, you consent to the data practices described in this policy.

We are committed to protecting your privacy and complying with applicable data protection regulations, including the General Data Protection Regulation (GDPR), the California Consumer Privacy Act (CCPA), and the California Privacy Rights Act (CPRA).

2. Information We Collect

2.1 Information Collected Automatically

When you access the Service, we may automatically collect certain information, including:

  • Device and Browser Information: IP address, browser type and version, operating system, device type, and screen resolution.
  • Usage Data: Pages visited, time and date of visit, time spent on pages, referring URL, and clickstream data.
  • Analytics Data: We use Google Analytics to collect aggregated usage statistics. Google Analytics uses cookies and similar technologies to collect and analyze information about use of the Service. For more information on how Google uses data, visit Google's Privacy Policy.

2.2 Information Stored Locally

Certain features (such as favorites and recently played games) store data in your browser's local storage. This data remains on your device and is not transmitted to our servers.

2.3 Information We Do Not Collect

We do not require user registration. We do not collect names, email addresses, phone numbers, payment information, or other personally identifiable information unless you voluntarily provide it (e.g., by emailing us).

3. How We Use Your Information

We use the information we collect for the following purposes:

  • To operate, maintain, and improve the Service;
  • To analyze usage trends and optimize user experience;
  • To monitor and prevent abuse or unauthorized access;
  • To comply with legal obligations.

4. Legal Basis for Processing (GDPR)

If you are located in the European Economic Area (EEA) or the United Kingdom, our legal basis for processing your information includes:

  • Legitimate Interests: To operate and improve the Service, analyze usage, and ensure security.
  • Consent: Where required, such as for the use of non-essential cookies (e.g., analytics cookies). You may withdraw consent at any time.
  • Legal Obligation: To comply with applicable laws and regulations.

5. Cookies and Tracking Technologies

We use cookies and similar tracking technologies to collect analytics data. For detailed information about the cookies we use and how to manage your preferences, please refer to our Cookie Policy.

6. Third-Party Services

We use the following third-party services that may collect information:

  • Google Analytics: Web analytics service provided by Google LLC. Collects anonymized usage data using cookies. You may opt out using the Google Analytics Opt-out Browser Add-on.
  • Third-Party Games: Embedded games may use their own cookies, analytics, or tracking technologies. We do not control the data practices of third-party game developers.

7. Data Sharing and Disclosure

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

  • Service Providers: With trusted third-party providers who assist in operating the Service (e.g., hosting, analytics), subject to confidentiality obligations.
  • Legal Requirements: When required by law, regulation, legal process, or governmental request.
  • Protection of Rights: To protect our rights, privacy, safety, or property, and that of our users or the public.

8. Data Retention

We retain automatically collected data (analytics and server logs) for a period of up to 26 months, after which it is automatically deleted or anonymized. Local storage data on your device persists until you clear your browser data.

9. Your Rights

9.1 Rights Under GDPR (EEA/UK Users)

If you are in the EEA or UK, you have the right to:

  • Access the personal data we hold about you;
  • Request rectification of inaccurate data;
  • Request erasure of your personal data ("right to be forgotten");
  • Restrict or object to processing of your data;
  • Data portability;
  • Withdraw consent at any time;
  • Lodge a complaint with your local data protection authority.

9.2 Rights Under CCPA/CPRA (California Residents)

If you are a California resident, you have the right to:

  • Know what personal information we collect, use, and disclose;
  • Request deletion of your personal information;
  • Opt out of the sale or sharing of personal information (we do not sell personal information);
  • Non-discrimination for exercising your privacy rights;
  • Correct inaccurate personal information.

To exercise any of these rights, please contact us at contact@hamstermath.com. We will respond to your request within the timeframes required by applicable law.

10. Children's Privacy

We do not knowingly collect personal information from children under the age of 13. The Service does not require registration or the submission of personal data. If you believe a child has provided us with personal information, please contact us and we will take steps to delete such information.

11. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws that differ from the laws of your jurisdiction. Where required, we ensure appropriate safeguards are in place to protect your information in accordance with this Privacy Policy and applicable law.

12. Security

We implement reasonable technical and organizational measures to protect the information we collect. However, no method of transmission over the Internet or electronic storage is completely secure. We cannot guarantee absolute security of your data.

13. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. The "Last updated" date at the top of this page indicates when this policy was last revised. We encourage you to review this page periodically for any changes. Your continued use of the Service after any modifications constitutes your acceptance of the updated Privacy Policy.

14. Contact Us

If you have any questions or concerns about this Privacy Policy or our data practices, please contact us at:

Email: contact@hamstermath.com