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PRIVACY POLICY

LAST UPDATED: MARCH 2026

Overview

Gravitydrift is committed to protecting your privacy. This policy explains clearly and honestly what information is collected when you use this site, how it is used, and what choices you have. We believe in minimal data collection — we only store what is strictly necessary for the game to function.

You do not need to create an account, provide an email address, or share any personal information to play Gravitydrift. The game is designed to be as anonymous as possible.

By using Gravitydrift, you agree to the practices described in this policy.

Information We Collect

We collect very little information, and none of it is personally identifiable by design.

• Anonymous fingerprint. When you first visit Gravitydrift, a random UUID (universally unique identifier) is generated and stored in your browser's localStorage under the key ss_fp. This identifier is used solely to prevent duplicate ratings — so that one person cannot rate the same level multiple times. It is not tied to your identity, your IP address, or any other identifying information. It is a random string that means nothing outside the context of this game.
• Level data. If you use the Level Editor to create and save a level, the level's configuration data (planet positions, types, ship start position, destination, etc.) is stored on our servers. No personal information is attached to a saved level.
• Rating data. When you rate a level, the star rating and your anonymous fingerprint are recorded. This is used to calculate the level's average rating and to prevent repeat ratings from the same browser.
• Play counts. Each time a level is loaded, its play count is incremented. This is an aggregate counter — no user-specific data is stored.

We do not collect names, email addresses, passwords, location data, device identifiers beyond localStorage, or any other personal information.

Local Storage

Gravitydrift uses your browser's localStorage to store one item:

• Key: ss_fp
• Value: A randomly generated UUID string (example: a3f9b2c1-...)
• Purpose: Rating deduplication only. Prevents a single browser from submitting multiple ratings for the same level.
• Expiry: This value persists until you clear your browser's local storage or site data for this domain.

localStorage is not a cookie. It is not sent to our servers automatically on every request. It is only transmitted when you submit a rating, and only the fingerprint value itself is sent — not any other browser data.

You can view and delete this value at any time by opening your browser's developer tools (F12 in most browsers), navigating to Application > Local Storage, and deleting the ss_fp entry. Alternatively, clearing all site data for gravitydrift.app will remove it.

Level Data

When you create and save a level using the Level Editor, the following data is stored on our servers (hosted by Supabase):

• The level configuration: planet types, positions, sizes, ship start position, destination position, checkpoints, and force fields — all in normalised (0–1) coordinate format.
• The difficulty setting you assigned the level.
• A timestamp of when the level was created or last updated.
• Optionally, a level name if you provided one.

Saved levels are public. They appear in the Saved Maps browser and can be played by any visitor to Gravitydrift. Do not include personal information in your level names or any other level fields.

You can delete your saved levels at any time from the Saved Maps management page.

Cookies & Consent

Gravitydrift uses a cookie consent banner on your first visit. The banner asks whether you accept cookies used for advertising purposes. Your choice is stored in your browser's localStorage under the key gx_cookie_consent (value: accepted or declined).

You can change your choice at any time by clearing your browser's localStorage for this site (open developer tools → Application → Local Storage → delete the gx_cookie_consent entry). The banner will reappear on your next visit.

If you decline cookies, advertising cookies from Google will not be set by this site. You may still see non-personalised ads, or no ads at all, depending on Google's configuration.

The first-party localStorage items used by Gravitydrift are:

• gx_cookie_consent — your advertising cookie consent choice (accepted or declined).
• ss_fp — your anonymous rating fingerprint (random UUID, see below).

Neither of these values is transmitted to our server automatically. They are sent only when you actively submit a rating (ss_fp) or when AdSense scripts are initialised after consent is granted.

Analytics & Advertising

Gravitydrift may display advertisements served by Google AdSense. Google uses cookies and similar technologies to serve ads based on your prior visits to this and other websites. These cookies are set by Google, not by Gravitydrift, and are governed by Google's own privacy policies.

Google's advertising practices comply with the IAB standards. Google may use the DoubleClick cookie to serve ads and may share data with other Google services as described in their privacy policy.

To opt out of personalised advertising by Google: visit google.com/settings/ads. You can also opt out through the Network Advertising Initiative at networkadvertising.org/choices.

For more information about how Google uses data when you use sites that use Google services, see policies.google.com/privacy.

We do not run any other analytics platform (such as Google Analytics) beyond what AdSense introduces. We do not track page views, session durations, or navigation patterns at the application level.

Third-Party Services

Gravitydrift uses the following third-party services:

• Supabase — database hosting for level data and ratings. Supabase processes and stores data on our behalf. Their privacy policy is available at supabase.com/privacy. Data is stored on servers in the United States.
• Google AdSense — advertising platform. Google's privacy policy is at policies.google.com/privacy.

We do not share your data with any other third parties. We do not sell data. We do not use data brokers.

Children

Gravitydrift is designed to be suitable for all ages, including children. The game contains no violence, adult content, or harmful material.

We do not knowingly collect personal information from children under the age of 13. The anonymous fingerprint system does not collect any personally identifiable information, and no account creation or age verification is required to play.

If you are a parent or guardian and you believe your child has submitted personal information to us in some way (for example, in a level name), please contact us via the contact page and we will promptly delete it.

Data Retention

• Fingerprint (ss_fp): Stored in your browser's localStorage. Persists until you clear it. We retain the fingerprint on our servers only in association with rating records (to prevent duplicates). We do not retain fingerprints independently.
• Saved levels: Stored indefinitely on our Supabase database until you choose to delete them from the Saved Maps page, or until we delete them for reasons such as violation of usage guidelines.
• Rating records: Stored indefinitely in association with the level they rate. If a level is deleted, its associated ratings are deleted.

GDPR (European Users)

If you are located in the European Economic Area (EEA), you have rights under the General Data Protection Regulation (GDPR). Because Gravitydrift collects no personally identifiable information, most GDPR rights (such as right of access or portability) have limited practical scope. However:

• You have the right to withdraw consent for advertising cookies at any time by clearing the gx_cookie_consent entry from localStorage.
• You have the right to delete your published levels from the Saved Maps page at any time.
• If you believe any personally identifiable data has been associated with you (for example, if you included your name in a level name), you can contact us to request deletion.

The legal basis for processing the anonymous fingerprint is legitimate interest (preventing rating fraud). The legal basis for advertising cookies is consent, obtained via the cookie consent banner.

CCPA (California Users)

If you are a California resident, the California Consumer Privacy Act (CCPA) provides you with certain rights. Gravitydrift does not sell personal information. The anonymous fingerprint used for rating deduplication is not personal information as defined under CCPA. If you have questions, please use the contact page.

Your Rights

Because we do not collect personally identifiable information, formal data subject rights (such as GDPR access requests) have limited applicability here. However, we respect your control over your own data in the following ways:

• You can delete your saved levels at any time from the Saved Maps page. Deletion is immediate and permanent.
• You can clear your anonymous fingerprint at any time by clearing localStorage for this site via your browser's developer tools or settings. This resets your rating history — you will be able to re-rate levels you have already rated.
• If you are located in the European Economic Area and believe we hold any identifiable data about you, you may contact us via the contact page to request access, correction, or deletion.

Contact

For questions, concerns, or requests related to this privacy policy, please use our contact page. We take privacy questions seriously and will respond promptly.

Changes to This Policy

We may update this privacy policy from time to time. When we do, we will update the "Last Updated" date at the top of this page. We encourage you to review this policy periodically. Continued use of Gravitydrift after any changes constitutes acceptance of the updated policy.

We will not make material changes to how we handle data without updating this policy prominently.