mokumoku.town

Privacy Policy

Last updated: 2026-05-12

mokumoku.town ("the Site") respects the privacy of its users and is committed to protecting personal information. This Policy outlines the types of information collected and used, the purpose, third-party disclosures, and user rights.

1. Information We Collect

We collect the following information to provide our services:

  • Authentication info (via Supabase Auth): Email address (when signing in with Google / Twitter (X)), display name, auth provider name
  • Gameplay statistics: Rooms entered, time spent, avatar configuration, avatar draw history, login bonus claim status
  • Technical info: Browser type, screen size, language setting, approximate region (country/city level inferred from IP)
  • Google Analytics 4 (GA4) metrics: page_view / session_start / user_engagement (no PII transmitted)

We do not transmit personally identifying content such as email body, chat content, or video titles to GA4.

2. Cookies and localStorage

We use cookies and localStorage to improve user experience:

  • youtubeVolume / weatherVolume: Persists volume preferences (Strictly Necessary)
  • i18nextLng: Persists language preference (Strictly Necessary)
  • Supabase Auth session token: Maintains login state (Strictly Necessary)
  • Google Analytics cookies: Collects visit statistics (only after user consent)
  • Google AdSense cookies: Optimizes ad delivery (only after user consent, when ads are introduced in the future)

3. Third-Party Services

We use the following third-party services:

  • Google Analytics 4: Access analytics. IP addresses are anonymized via the anonymize_ip option
  • Google AdSense (future): Ad delivery. User consent is obtained via Funding Choices CMP
  • DoubleClick Cookie: Used by Google for AdSense delivery. Used as a non-identifying identifier

Google ad personalization can be opted out via Google Account ad settings (https://adssettings.google.com). Users in EU/UK/CCPA regions can select "Do not consent" via the Funding Choices banner.

4. Data Storage Locations

  • Supabase (ap-northeast-1 region): Authentication info, profiles, avatar inventory
  • Fly.io (NRT region): Realtime game server (Colyseus)
  • Cloudflare Pages: Static asset delivery (global CDN)

5. Data Retention

Unless users withdraw or delete their account, account info is retained as needed for service operation. Anonymous (guest) sessions are automatically removed 7 days after creation.

6. User Rights

Users have the following rights regarding their personal information:

  • Right to access: Request disclosure of personal info held by the Site
  • Right to rectification: Request correction of inaccurate information
  • Right to erasure: Request account deletion
  • Opt-out: Disable GA4 / AdSense tracking (via Funding Choices banner)

To exercise these rights, please contact us at the address below.

7. Users Under Age 13

This Site is not intended for use by individuals under age 13. Please do not use this Site if you are under 13.

8. Policy Changes

This Policy may be revised as needed. Significant changes will be announced on the Site.

9. Contact

For questions regarding this Policy, please contact us at the following email address:

[email protected]