Cookies and Storage
Last updated: 10 November 2026
This page lists the cookies and browser storage GeoClash uses. Our own cookies and storage are strictly necessary for the game to work. The only other cookies are Google’s advertising cookies, which in the EEA, the UK and Switzerland are used only after you consent in Google’s consent message. Read our Privacy Policy for how we handle personal data.
Cookies
| Name | Set by | Purpose | Lasts |
|---|---|---|---|
geoclash_session | GeoClash | Strictly necessary. Keeps you signed in to your account. Guests do not get this cookie. HttpOnly, so page scripts cannot read it. | Up to 30 days |
__session, __client_uat and related __clerk cookies | Clerk (our sign-in provider) | Strictly necessary. Manage your sign-in securely when you use an account. | Session, or up to the sign-in session length |
If you use “Continue with Google”, Google may set its own cookies on its sign-in page under its own policy.
Advertising cookies (Google AdSense)
The home page shows ads from Google AdSense. Google and its partners may set or read the cookies below, on our domain and on Google’s ad domains, to show and measure ads and prevent fraud. In the EEA, the UK and Switzerland they are used for personalised ads only with your consent. The exact cookies are controlled by Google and can change; see Google’s list of advertising cookies.
| Name | Set by | Purpose | Lasts |
|---|---|---|---|
__gads, __gpi, __eoi | Advertising: serve ads, limit repeats and measure performance. | Up to 13 months | |
IDE, test_cookie (on doubleclick.net) | Advertising: personalise and measure ads across sites. | Up to 13 months | |
FCCDCF, FCNEC | Google consent message | Stores your advertising consent choices. | Up to 13 months |
To change your advertising choices, use the Privacy choices link at the bottom of the home page. You can also manage personalised ads at Google’s My Ad Center, or block third-party cookies in your browser.
Local storage
Local storage keeps data in your browser on your device. It is not sent to us automatically.
| Key | Purpose | Lasts |
|---|---|---|
geoclash.<profile>.flagclash.* | Your Dice Arena and Leaders1v1 progress and best results, so a game can be continued. | Until you clear it or delete your account |
geoclash.guest.profile | Your guest name, settings and Dice Arena record. It is sent to us only if you create an account, to move your progress into it. | Until you leave the guest profile or clear it |
geoclash.guest.settings.v1 | Sound, speed and reduced-motion settings in the offline version. | Until you clear it |
geoclash.room.* | The multiplayer room you are in, so a refresh does not drop you. | Until the match ends or you sign out |
geoclash.stats.optout | Remembers if you turned off anonymous usage statistics below. | Until you clear it |
__clerk_environment and other __clerk keys | Clerk’s sign-in configuration and security checks. | Set by Clerk |
Anonymous usage statistics
We also use Vercel Web Analytics for cookie-free page-view statistics. The choice below and your browser's privacy signals apply to both Vercel Web Analytics and our game statistics.
We count page visits and which game modes are played, without cookies and without storing anything on your device (see the Privacy Policy). We do not count you if your browser sends a Global Privacy Control or Do Not Track signal. You can also turn it off here for this browser:
Managing cookies and storage
You can delete cookies and site data in your browser settings at any time. Blocking advertising cookies does not affect the game. Blocking the strictly necessary cookies stops sign-in and cloud saves from working. Clearing local storage removes progress that has not been saved to your account.