Privacy Policy

Last updated: August 15, 2023

Thank you for visiting Sudoku Master. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website, including any other media form, media channel, mobile website, or mobile application related or connected to (collectively, the "Site"). Please read this privacy policy carefully. If you do not agree with the terms of this privacy policy, please do not access the site.

1. Information We Collect

We may collect information about you in a variety of ways. The information we may collect on the Site includes:

Information Type How Collected Purpose Retention Period
Personal Information Voluntarily provided when subscribing to newsletter To send newsletters and updates Until unsubscribe request
IP Address Automatically collected To analyze usage patterns and prevent fraud 30 days
Browser Information Automatically collected To optimize site performance 30 days
Device Information Automatically collected To improve user experience 30 days
Game Progress Data Automatically collected To track game progress and statistics 12 months

2. Use of Your Information

We use the information we collect in the following ways:

  • To provide, operate, and maintain our website
  • To improve, personalize, and expand our website
  • To understand and analyze how you use our website
  • To develop new products, services, features, and functionality
  • To communicate with you, either directly or through one of our partners, including for customer service, to provide you with updates and other information relating to the website, and for marketing and promotional purposes
  • To send you emails
  • To find and prevent fraud

3. Disclosure of Your Information

We may share information we have collected about you in certain situations. Your information may be disclosed as follows:

Third-Party Service Providers

We may share your information with third-party service providers to perform functions on our behalf. These third parties have access to your personal information only to perform these tasks on our behalf and are obligated not to disclose or use it for any other purpose.

Third-Party Services We Use:

Service Provider Purpose Information Shared Privacy Policy Link
Cloudflare CDN and security services IP address, browser information Cloudflare Privacy Policy
Plausible Analytics Website analytics Aggregate usage data (no personal info) Plausible Analytics Privacy Policy

4. California Consumer Privacy Act (CCPA) Rights

If you are a resident of California, you have the following rights under the CCPA:

The Right to Know

You have the right to request information about how we have collected, used, and shared your personal information in the past 12 months.

The Right to Delete

You have the right to request that we delete any personal information we have collected from you.

The Right to Opt-Out

You have the right to opt-out of the sale of your personal information.

The Right to Non-Discrimination

You have the right to not be discriminated against for exercising any of your CCPA rights.

To exercise these rights, please contact us at 17749120198@163.com. We will respond to your request within 45 days.

5. Children's Online Privacy Protection Act (COPPA)

We do not knowingly solicit information from or market to children under the age of 13. If we learn that we have collected personal information from a child under age 13 without verification of parental consent, we will delete that information as quickly as possible. If you believe we might have any information from or about a child under 13, please contact us at 17749120198@163.com.

6. Cookies and Tracking Technologies

We use cookies and similar tracking technologies to track the activity on our website and hold certain information. Tracking technologies used are beacons, tags, and scripts to collect and track information and to improve and analyze our website. You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our website.

7. Security of Your Information

We use administrative, technical, and physical security measures to help protect your personal information. While we have taken reasonable steps to secure the personal information you provide to us, please be aware that despite our efforts, no security measures are perfect or impenetrable, and no method of data transmission can be guaranteed against any interception or other type of misuse.

8. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by updating the date of this Privacy Policy and posting the new Privacy Policy on the Site. You are advised to review this Privacy Policy periodically for any changes.

9. Contact Us

If you have questions or comments about this Privacy Policy, please contact us at:

Sudoku Master
Email: 17749120198@163.com