Swudoku

Privacy Policy

Last updated: 1st December 2025

This Privacy Policy explains how Swudoku Games (“we”, “us”, “our”) collects, uses, stores, and protects your personal information when you use Swudoku (“the Service”). We are committed to complying with the Australian Privacy Principles (APPs) under the Privacy Act 1988 (Cth), and to providing equivalent rights and protections to users located in the EU, UK, and other regions.

If you have any questions, you can contact us at:
swudoku@gmail.com

1. Information We Collect

We collect only the information necessary to operate the Swudoku puzzle service.

1.1 Information you provide

  • Email address (required for account creation and login)
  • Username / display name
  • Daily puzzle scores, swap counts, and play history

1.2 Automatically collected information

We collect limited technical information required to operate the site securely:

  • Device and browser information
  • Error logs and crash logs
  • Cookies for login sessions

We do not collect or store IP addresses.

1.3 Analytics data

We use Google Analytics to collect anonymised usage data, such as page views, time spent, and general interaction patterns.
Google Analytics may collect:

  • Device type
  • Browser type
  • Geographic region (approximate)
  • Session activity

You can opt out via your browser or Google’s tools.

2. How We Use Your Information

We use the personal information we collect for the following purposes:

  • To create and maintain user accounts
  • To send magic-link login emails
  • To store your historical scores and play data
  • To operate and improve the daily puzzle experience
  • To identify and fix errors or technical issues
  • To secure our platform and prevent misuse
  • To provide support when you contact us

We do not sell, rent, or share user data with third parties for marketing.

3. Legal Bases for Processing (EU & UK Users)

For users located in the EU or UK, we rely on the following legal bases:

  • Performance of a contract: Providing the Swudoku service, including account access and gameplay.
  • Legitimate interests: Operating, maintaining, and improving the Service.
  • Consent: For analytics cookies where required.

4. Cookies

Swudoku uses cookies for:

  • Authentication: Session cookies used to keep you logged in
  • Analytics: Google Analytics cookies
  • Security and performance: Cloudflare may set functional cookies

You can block cookies through your browser, but some features (such as login) may not function.

5. Third-Party Services

We use the following processors and infrastructure providers:

Supabase

  • Provides database, authentication, and hosting
  • Stores account data and gameplay history
  • Data stored in the United States

Google Analytics

  • Collects anonymised usage analytics

Cloudflare

  • Provides security, caching, and performance optimisation

Mailgun

  • Sends magic-link login emails

These providers may process your data in accordance with their own privacy policies.

6. International Transfers

Your data may be transferred to and stored on servers located in the United States, due to our use of Supabase.
By using the Service, you acknowledge that your data may be transferred internationally.

We ensure that appropriate safeguards are in place to comply with applicable privacy laws.

7. Data Security

We take reasonable measures to protect your personal information, including:

  • Secure TLS encryption
  • Access controls within Supabase
  • Cloudflare security features
  • Limited internal access to stored data

No method of transmission or storage is completely secure, but we follow industry best practices.

8. Account Deletion

You may request deletion of your account and all associated data at any time by emailing:
swudoku@gmail.com

We will delete your data within a reasonable timeframe, subject to legal or operational obligations.

9. Your Rights

Depending on your location, you may have the following rights:

Australia (APPs)

  • Access the personal information we hold about you
  • Request correction of inaccurate information

EU & UK (GDPR/UK GDPR)

  • Right to access
  • Right to rectification
  • Right to erasure (“right to be forgotten”)
  • Right to restrict processing
  • Right to data portability
  • Right to object to processing

United States (various state laws)

  • Right to access personal information
  • Right to deletion
  • Right to know what categories of data are collected

You may exercise these rights by contacting us.

10. Data Retention

We retain personal information only as long as necessary to:

  • Provide the Service
  • Maintain your account
  • Comply with legal requirements
  • Resolve disputes

If you request deletion, your data will be removed except where retention is legally required.

11. Changes to This Policy

We may update this Privacy Policy from time to time.
Material changes will be posted on the website with an updated “Last updated” date.

We encourage you to review this policy periodically.

12. Contact Us

If you have any questions about this Privacy Policy or wish to make a data request, you can reach us at:
swudoku@gmail.com