1. What Are Cookies?
Cookies are small text files stored in your browser when you visit a website. They allow the site to recognize your device on future visits, improve your experience, and retain saved preferences.
In addition to traditional cookies, we use similar technologies such as localStorage and sessionStorage to store data locally on your device.
2. Cookies We Use
2.1 Essential cookies (our platform)
| Name | Type | Purpose | Duration |
|---|---|---|---|
| firebase:authUser | localStorage | Keep login session active | Until logout |
| jcsgames_sessions | localStorage | Local match history (guests) | Permanent (local) |
| Game data | localStorage | Progress, settings and records for each game | Permanent (local) |
Data stored in localStorage stays only on your device and is not sent to our servers. You can delete it at any time by clearing site data in your browser settings.
2.2 Third-party cookies
| Service | Purpose | Policy |
|---|---|---|
| Google AdSense | Personalized ad display | View policy |
| Firebase (Google) | Authentication and social login | View policy |
3. Why We Use Cookies
- Maintain login session: so you don't need to log in again on every visit
- Save local progress: records, settings and match history for guests without an account
- Show ads: Google AdSense uses cookies to show relevant ads and keep games free
4. How to Manage Cookies
4.1 In your browser
You can configure your browser to block, delete or be notified about cookies. Here's how to do it in each browser:
- Chrome: Settings → Privacy and security → Cookies
- Firefox: Settings → Privacy & Security → Cookies
- Safari: Preferences → Privacy → Manage Website Data
- Edge: Settings → Cookies and site permissions
Blocking essential cookies may prevent login from working. Games will still be available, but progress will not be saved locally.
4.2 Google Ads
To manage Google personalized ad preferences, visit: adssettings.google.com. You can also opt out of personalized ads at optout.aboutads.info.
5. Changes to This Policy
This Cookie Policy may be updated periodically. The last updated date is always shown at the top of the page. We recommend reviewing it regularly.
6. Contact
For questions about this policy: