Privacy Policy

Sudoku Million
Last updated: May 11, 2026

1. Introduction

Sudoku Million ("we", "our", or "the App") provides a global, multiplayer Sudoku puzzle experience. This Privacy Policy explains how we collect, use, and protect your information when you use our mobile application and website.

2. Information We Collect

We collect minimal data necessary to provide a seamless and competitive gaming experience:

• Authentication Data: When you sign in with Google, we receive your basic profile information (display name, email address, profile picture) to create your player profile.
• Game Progress & Stats: We store your conquered sectors, game statistics, and active sponsorships in our database (Google Firebase) to maintain the persistent global leaderboard.
• User Uploads: If you become a Sponsor, we securely store the images you upload for your billboards.

3. How We Use Your Information

The information we collect is used exclusively to:

• Save your game progress and synchronize it across your devices.
• Display your username and profile picture on sectors you have conquered or billboards you sponsor.
• Ensure fair play and maintain the integrity of the global leaderboard.

4. Data Sharing & Third Parties

We do NOT sell, rent, or share your personal information with third parties for marketing purposes. We use the following trusted third-party services to operate the App:

• Google Firebase: Used for secure authentication, real-time database, and image storage. Subject to Google's Privacy Policy.

5. Data Storage & Security

Your data is securely stored using industry-standard encryption provided by Google Firebase. We implement reasonable security measures to protect your account against unauthorized access.

6. Data Deletion

You have the right to request the deletion of your account and associated data. You can contact us to initiate a data deletion request, or manage your Google permissions directly through your Google Account settings.

7. Changes to This Policy

We may update this Privacy Policy periodically. Changes will be posted on this page, and your continued use of the App signifies your acceptance of the updated terms.

8. Contact Us

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

Email: pmespinoza@gmail.com