Privacy Policy

Effective date:

1. Introduction

This Privacy Policy describes how we collect, use, disclose, and protect your information when you use our UNO online game platform ("the Service"), accessible through web browsers and as a Telegram Mini App. By using the Service, you agree to the collection and use of information as described in this policy.

2. Information We Collect

2.1 Information from Telegram

When you access the Service through Telegram, we receive the following information provided by Telegram's Mini App platform:

  • Telegram user ID
  • Display name and username
  • Profile photo URL (if set)
  • Language preference

2.2 Account Information

If you register directly (without Telegram), we collect:

  • Email address
  • Display name you choose
  • Password (stored as a secure hash, never in plain text)

2.3 Game Data

We automatically collect gameplay data to provide the Service:

  • Match history and results
  • In-game statistics (wins, losses, cards played)
  • Transaction history (bets, winnings, purchases)
  • XP and level progression
  • Tournament participation and results

2.4 Technical Data

We collect standard technical information:

  • Device type and operating system
  • Browser type and version
  • IP address (used for security and fraud prevention)
  • Session duration and connection timestamps

3. How We Use Your Information

We use the collected information to:

  • Provide, maintain, and improve the game experience
  • Authenticate your identity and manage your account
  • Process in-game transactions and maintain balance records
  • Match you with appropriate opponents via the matchmaking system
  • Calculate rankings, leaderboards, and skill ratings
  • Send game notifications (through Telegram bot or in-app)
  • Detect and prevent fraud, cheating, and abuse
  • Analyze game performance and fix technical issues

4. Data Sharing

We do not sell your personal information. We may share data in the following circumstances:

  • With other players: Your display name, avatar, level, and in-game statistics are visible to other players during games and on leaderboards.
  • Service providers: We use third-party services for hosting, analytics, and payment processing. These providers only access data necessary to perform their functions.
  • Legal requirements: We may disclose information when required by law, regulation, or legal process.

5. Data Storage & Security

Your data is stored on secure servers with industry-standard encryption. Passwords are hashed using modern algorithms and are never stored in plain text. All communication between your device and our servers is encrypted via TLS. We implement access controls, monitoring, and regular security audits to protect your information. Game state is managed through secure WebSocket connections with server-side validation.

6. Data Retention

We retain your account data and game history for as long as your account is active. If you delete your account, we will remove your personal information within 30 days, except where we are required by law to retain certain records (such as transaction history). Anonymized, aggregated gameplay statistics may be retained indefinitely for analytics purposes.

7. Your Rights

Depending on your jurisdiction, you may have the right to:

  • Access the personal data we hold about you
  • Request correction of inaccurate data
  • Request deletion of your account and associated data
  • Object to certain processing activities
  • Export your data in a portable format

To exercise these rights, contact us through the in-app support feature or the Telegram bot.

8. Children's Privacy

The Service is not directed at children under 13. We do not knowingly collect personal information from children under 13. If we discover that a child under 13 has provided us with personal information, we will delete it promptly. If you believe a child under 13 has provided us with personal information, please contact us.

9. Cookies & Local Storage

The Service uses browser local storage and session storage to maintain your authentication state and game preferences. We do not use third-party tracking cookies. Essential storage is required for the Service to function properly and cannot be disabled.

10. Changes to This Policy

We may update this Privacy Policy from time to time. When we make significant changes, we will notify you through the app or Telegram bot. Continued use of the Service after changes constitutes acceptance of the updated policy.

11. Contact

If you have questions about this Privacy Policy or wish to exercise your data rights, please contact us through the in-app support feature or reach out via our Telegram bot.