MineMasters Pro Tools

1. Introduction

This Privacy Policy explains how MineMasters Pro Tools ("we," "our," or "the extension") collects, uses, and protects your information when you use our browser extension designed to enhance your minesweeper.online gaming experience.

2. Information We Collect

2.1 Game-Related Data

Data Type	Purpose	Storage Location
Game Statistics	Track wins, losses, completion times, and performance metrics	Browser local storage
PvP Match Data	Analyze competitive gameplay and match history	Browser local storage
Bingo Game Progress	Track bingo game state and category completions	Browser local storage + Server
Tool Preferences	Remember your settings and UI configurations	Browser sync storage

2.2 Bingo Tool Data Collection and Processing

When participating in Bingo games, the extension collects and processes:

Player Identity Information:

• Your minesweeper.online username (extracted from page header)
• Your minesweeper.online user ID (extracted from profile links)
• Team assignments and game participation status

Real-Time Game Monitoring:

• Continuously monitors the game interface face element (#top_area_face) for completion states
• Uses MutationObserver to detect real-time changes indicating game wins/losses
• Monitors CSS class changes that signal game completion events
• Polls game state every 1 second during active bingo participation

Automatic Game Data Extraction:

• Extracts minesweeper game IDs from browser URLs (/game/[ID] pattern)
• Reads completion data directly from the minesweeper.online interface
• Processes game results including:
  • Completion times and difficulty levels
  • Efficiency percentages and click counts
  • 3BV/s ratios and scoring metrics
  • Win streaks and performance statistics

Game Submission and Verification:

• Automatically submits completed games to active bingo competitions
• Cross-references game data with minesweeper.online for verification
• Tracks which games have been used to prevent duplicate submissions
• Validates game completion timing against bingo game start times

2.3 Server-Side Bingo Data

For bingo functionality, we store on our servers:

Data Type	Purpose	Retention
Game participation records	Track which players are in which bingo games	Until game completion + 30 days
Team assignments	Manage team-based competition	Until game completion + 30 days
Score submissions	Determine bingo square ownership and winners	Until game completion + 30 days
Game board states	Real-time competition tracking	Until game completion + 30 days

2.4 Technical Data

• Browser extension version and settings
• Tool activation status and configurations
• UI preferences (compact mode, display options)
• Feature usage patterns (for improving functionality)
• Connection and authentication status for bingo features

3. How We Use Your Information

Core Extension Features:

• Provide enhanced minesweeper gaming features
• Track and display your personal game statistics
• Sync your preferences across devices (via Chrome sync)
• Improve the extension's functionality and user experience

Bingo Competition Features:

• Enable real-time multiplayer bingo competitions
• Automatically submit completed minesweeper games for scoring
• Determine bingo square ownership and game winners
• Provide live game state updates to all participants
• Prevent cheating through game verification and duplicate detection
• Facilitate team-based competition and scoring

Game Performance Analysis:

• Process game completion data to determine bingo category achievements
• Calculate performance metrics across 42 different minesweeper categories
• Compare scores to determine "best" performance for each bingo square
• Track team progress and individual contributions

4. Data Storage and Synchronization

4.1 Local Storage

Most of your data is stored locally in your browser using:

• Chrome Storage API: For extension settings and preferences
• Browser Local Storage: For game statistics and temporary data
• Chrome Sync Storage: For cross-device preference synchronization

4.2 Server Storage and Processing

For bingo features, data is processed on our servers:

• Real-time game state: Stored temporarily during active games
• Score verification: Cross-referenced with minesweeper.online data
• Competition results: Maintained for game duration plus 30 days
• Anti-cheat tracking: Game IDs tracked to prevent reuse

4.3 External Connections

The extension connects to:

• api.minemasters.pro: Our secure API for bingo features and score submissions
• minesweeper.online: For game verification and score validation
• Socket.IO CDN: For real-time communication (if WebSocket features are enabled)
• Cloudflare CDN: For loading essential libraries

Data Transmission Security: All communications use HTTPS encryption. Bingo game data is transmitted in real-time but only includes game performance metrics, not personal information.

5. Real-Time Monitoring Disclosure

6. Data Sharing and Third Parties

We do not sell, trade, or share your personal data with third parties.

Limited Data Sharing for Bingo Features:

• Game performance data is shared with other bingo participants (scores, completion times)
• Team assignment information is visible to other team members
• Usernames are displayed in bingo games for competition purposes
• Game results are shared for determining winners and score verification

External Service Communication:

• minesweeper.online (for game verification only)
• Our own API infrastructure at minemasters.pro
• Essential CDN services for functionality

7. Data Security

We implement security measures including:

• Encryption: Secure HTTPS connections for all external communications
• Data Minimization: We only collect data necessary for functionality
• Access Controls: Limited server access and authentication requirements
• Regular Updates: Security patches and monitoring
• Verification Systems: Anti-cheat measures to ensure fair play

8. Your Rights and Controls

8.1 Data Access and Deletion

You can:

• View all locally stored data through the extension's settings
• Export your statistics and preferences
• Clear all local stored data through the extension interface
• Request deletion of server-side bingo data by contacting us
• Uninstall the extension to remove all local data

8.2 Bingo Participation Controls

You control:

• Whether to enable the Bingo tool
• Auto-submission settings (can be disabled)
• Game participation (join/leave bingo games at any time)
• Team selection and switching (in waiting games)
• Data sharing preferences for competitions

8.3 Privacy Settings

You can manage:

• Which tools and features are enabled
• Real-time monitoring preferences
• Notification settings
• Cross-device sync options

9. Children's Privacy

Our extension is not directed at children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately.

10. Data Retention Policies

10.1 Local Data

• Retained until you manually clear it or uninstall the extension
• Subject to your browser's storage policies

10.2 Server-Side Bingo Data

• Active game data: Retained during game duration
• Completed game data: Retained for 30 days after game completion
• Anti-cheat records: Retained for 90 days for dispute resolution
• Aggregate statistics: May be retained longer for service improvement (anonymized)

11. International Users

This extension is designed for global use. Bingo game data processing occurs on servers located in the United States. By participating in bingo games, you consent to this data transfer and processing.

12. Changes to Privacy Policy

We may update this Privacy Policy to reflect changes in our practices or for legal reasons. We will notify users of significant changes through:

• Extension interface notifications
• Our website announcements
• In-game notifications for active bingo participants

14. Technical Details

14.1 Browser Permissions

The extension requires these permissions for functionality:

• activeTab: Access the current minesweeper.online tab
• storage: Save preferences and game data
• tabs: Manage extension across multiple game tabs
• Host permissions: Access to minesweeper.online and our API endpoints

14.2 API Data Processing

Bingo features process data through our API including:

• Authentication: Username and user ID verification
• Game validation: Real-time score verification with minesweeper.online
• Competition management: Team assignments and game state synchronization
• Anti-cheat enforcement: Duplicate game detection and timing validation

14.3 Monitoring Technology

Real-time game monitoring uses:

• MutationObserver API: For detecting DOM changes
• Polling mechanisms: Backup detection every 1000ms
• CSS class analysis: Win/loss state detection
• URL pattern matching: Game ID extraction

---