Terms of Service - Chaos Sudoku

1. Acceptance of Terms

By downloading, installing, or using the Chaos Sudoku mobile application ("the App"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, do not use the App.

2. Description of Service

Chaos Sudoku is a mobile puzzle game application that offers multiple Sudoku game variants including:

• Classic Sudoku gameplay
• Themed gamemode variations (Color Puke, Dark Mode, Kitten Chaos, etc.)
• Leaderboards and achievement systems
• User accounts and progress tracking

3. User Accounts

3.1 Account Types

• Guest Accounts: Limited functionality, data stored locally
• Permanent Accounts: Full functionality with Google Sign-In, cloud data sync

3.2 Account Responsibilities

You are responsible for:

• Maintaining the security of your account credentials
• All activities that occur under your account
• Choosing appropriate usernames that comply with our guidelines

3.3 Username Guidelines

Usernames must:

• Be between 3-20 characters
• Contain only letters, numbers, and basic punctuation
• Not be offensive, inappropriate, or impersonate others
• Not violate intellectual property rights

4. Acceptable Use

4.1 Permitted Use

You may use the App for:

• Personal entertainment and puzzle-solving
• Competing on leaderboards fairly
• Sharing achievements and progress

4.2 Prohibited Use

You may NOT:

• Attempt to manipulate game scores or leaderboards
• Use automated tools, bots, or cheats
• Reverse engineer or attempt to access source code
• Interfere with other users' experience
• Use the App for any illegal purposes
• Impersonate other users or provide false information

5. Game Content and Scores

5.1 Fair Play

• All game scores must be achieved through legitimate gameplay
• We reserve the right to investigate and remove suspicious scores
• Repeated violations may result in account termination

5.2 Leaderboards

• Leaderboard participation requires a valid username
• Scores are publicly visible to other users
• We reserve the right to reset leaderboards if necessary

6. User Content

6.1 Username and Profile Data

• You grant us the right to display your chosen username on leaderboards
• You are responsible for ensuring your username complies with our guidelines
• We may remove inappropriate usernames without notice

6.2 Feedback and Suggestions

Any feedback or suggestions you provide may be used to improve the App without compensation.

7. Intellectual Property

7.1 App Ownership

The App, including all content, features, and functionality, is owned by Chaos Sudoku and protected by intellectual property laws.

7.2 License to Use

We grant you a limited, non-exclusive, non-transferable license to use the App for personal purposes.

7.3 Restrictions

You may not:

• Copy, modify, or distribute the App
• Create derivative works
• Remove copyright or proprietary notices

8. Third-Party Services

The App integrates with:

• Google Services: For authentication and account management
• Firebase: For user authentication
• Supabase: For data storage and backend services

Your use of these services is subject to their respective terms and privacy policies.

9. Data and Privacy

Your privacy is important to us. Please review our Privacy Policy to understand how we collect, use, and protect your information.

10. Disclaimers

10.1 Service Availability

• The App is provided "as is" without warranties
• We do not guarantee continuous availability
• Features may be modified or discontinued

10.2 Data Loss

While we take measures to protect your data:

• Guest account data may be lost if the app is uninstalled
• We recommend using permanent accounts for data security
• We are not liable for data loss or corruption

11. Limitation of Liability

To the maximum extent permitted by law:

• We are not liable for any indirect, incidental, or consequential damages
• Our total liability is limited to the amount you paid for the App (which is currently free)
• We are not responsible for device damage or data loss

12. Account Termination

12.1 By You

You may stop using the App at any time and request account deletion by contacting info@chaossudoku.com

12.2 By Us

We may terminate accounts for:

• Violation of these Terms
• Fraudulent or inappropriate behavior
• Extended periods of inactivity (guest accounts)

13. Updates and Changes

13.1 App Updates

We may release updates to improve functionality, security, or add features. Continued use constitutes acceptance of updates.

13.2 Terms Updates

We may modify these Terms occasionally. Changes will be posted in the App with an updated date. Continued use constitutes acceptance of new Terms.

14. Contact Information

For questions about these Terms of Service: