COOKIE POLICY
Last updated: 14 March 2026
1. WHAT ARE COOKIES
Cookies are small text files stored on your device when you visit a website. They help the site function, remember your preferences, and understand how you use it.
2. COOKIES WE USE
Strictly Necessary
These are required for the Service to function. You cannot opt out of these.
- Authentication token: keeps you logged in during your session
- CSRF token: protects against cross-site request forgery
- Cookie consent: remembers your cookie preferences
Functional
These improve your experience but are not strictly required.
- Theme/UI preferences: remembers display settings
- Session state: preserves game UI state between page loads
Analytics
These help us understand how the Service is used. Only enabled with your consent.
- Anonymised usage data: pages visited, session duration, feature usage
We do not use third-party advertising cookies. We do not track you across other websites.
3. LOCAL STORAGE
In addition to cookies, we use browser local storage for:
- JWT access and refresh tokens
- Cached game state for offline resilience
- UI preferences
These follow the same principles as our cookies — we only store what is necessary to provide the Service.
4. THIRD-PARTY COOKIES
Our payment provider Stripe may set cookies when you interact with payment forms. These are governed by Stripe's Cookie Policy.
We do not embed social media trackers, advertising pixels, or any other third-party tracking.
5. MANAGING COOKIES
You can control cookies through:
- Our cookie banner: choose which non-essential cookies to accept when you first visit
- Browser settings: most browsers let you block or delete cookies — note that blocking essential cookies will prevent you from using the Service
6. CHANGES
We may update this cookie policy. Changes will be posted on this page with an updated date.
7. CONTACT
Questions about our use of cookies: privacy@substrate.game