Privacy Policy

1. Information We Collect

1.1 Information You Provide

When you create an account or sign in, we collect:

• Name and email address — via Google Sign-In, Facebook Login, or email/password registration
• Profile picture — from your linked Google or Facebook account (optional)
• Phone number — only if you choose phone-based authentication

1.2 Information Collected Automatically

When you use our app or website, we automatically collect:

• Game progress data — completed levels, scores, difficulty progress, kingdom stage
• Device information — device model, operating system version, unique device identifiers
• Usage data — session duration, features used, error reports
• IP address — used for basic analytics and abuse prevention

1.3 Guest Users

If you play as a guest (without signing in), we do not collect any personally identifiable information. Game progress is stored locally on your device only and is not synced to our servers.

2. How We Use Your Information

We use the information we collect to:

• Provide, maintain, and improve our game and website
• Sync your game progress across devices when you are signed in
• Enable multiplayer and Battle Mode functionality
• Send optional notifications about daily challenges (only if you enable them)
• Respond to support requests, bug reports, and enquiries
• Monitor and improve app performance and fix crashes
• Prevent fraud, abuse, and violations of our Terms of Service
• Comply with legal obligations under applicable Indian law

We do not use your information for targeted advertising, selling to data brokers, or profiling for commercial purposes.

3. Data Sharing & Third Parties

We share your information only with the following trusted service providers who help us operate our services:

• Google Firebase (Authentication, Firestore database, Analytics, Hosting) — Firebase Privacy Policy
• Google Sign-In / OAuth 2.0 — only if you choose Google authentication
• Meta (Facebook) Login — only if you choose Facebook authentication

We do not sell, rent, or trade your personal information to any third party for their own marketing or commercial purposes.

We may disclose your information if required by law, court order, or to protect the safety of our users or the public.

4. Data Retention

We retain your account data for as long as your account is active. If you request account deletion, we will delete your personal information within 30 days, except where we are required to retain it for legal or regulatory compliance.

Game progress data (scores, levels) is retained to enable cross-device sync. Guest player data is stored locally on your device only and is not transmitted to our servers.

5. Your Rights

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

• Right to Access: Request a copy of the personal data we hold about you
• Right to Correction: Request correction of inaccurate or incomplete data
• Right to Deletion: Request deletion of your account and associated data
• Right to Portability: Request your data in a portable format
• Right to Withdraw Consent: Withdraw consent for data processing at any time
• Right to Object: Object to processing of your data in certain circumstances

To exercise any of these rights, email us at support.mindplaylabsindia@gmail.com with the subject line "Data Rights Request".

6. Children's Privacy

Sudoku King is appropriate for all ages, but we do not knowingly collect personal information from children under 13 years of age without parental consent. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately and we will delete that information.

Children under 13 are encouraged to use guest mode, which requires no personal information.

7. Security

We implement industry-standard security measures to protect your information:

• All data transmitted to our servers is encrypted using TLS/HTTPS
• Firebase Authentication handles credentials securely — we never store raw passwords
• Access to our database is restricted to authorized personnel only
• We regularly review and update our security practices

No method of transmission over the internet is 100% secure. If you discover a security vulnerability, please report it to support.mindplaylabsindia@gmail.com.

8. Cookies & Tracking

Our website (mindplaylabsindia.com) uses cookies and similar technologies for:

• Session management — keeping you signed in
• Preferences — remembering your language and theme settings
• Analytics — understanding how visitors use our site (via Firebase Analytics)

You can control cookies through your browser settings. Disabling cookies may affect some functionality of the site.

9. Changes to This Policy

We may update this Privacy Policy from time to time. When we make material changes, we will update the "Last Updated" date at the top of this page and, where appropriate, notify you via the app or email.

Your continued use of Sudoku King after any changes constitutes acceptance of the revised Privacy Policy.

10. Contact & Grievance Officer

MindPlay Labs India
Platform: Android (Google Play Store)
Nature of Entity: Independent Mobile Game Developer
Country: India

Support & Grievance Email: support.mindplaylabsindia@gmail.com

Grievance Officer Designation: Grievance Officer & Data Protection Contact

As required under the Information Technology Act, 2000 and the IT (Intermediary Guidelines and Digital Media Ethics Code) Rules, 2021, our Grievance Officer will:

• Acknowledge your complaint within 24 hours
• Resolve your complaint within 15 calendar days

For privacy-related requests, please email us with "Privacy Request" in the subject line.