Cookie & Storage Policy
What we use
ATC 2026 uses cookies and browser local storage to provide essential functionality. Without these, the game cannot function properly.
Cookies
| Cookie | Purpose | Type |
|---|---|---|
| next-auth.session-token | Keeps you logged in (authentication session) | Essential |
| next-auth.csrf-token | Protects against cross-site request forgery | Essential |
| next-auth.callback-url | Remembers where to redirect after login | Essential |
Local Storage
| Key | Purpose |
|---|---|
| atc2026_career | Saves your career progress (XP, badges, games played) |
| atc2026_arcade_level | Saves your unlocked arcade mission level |
| atc2026_cookie_consent | Remembers that you accepted this cookie notice |
Analytics
We use Matomo, a self-hosted and privacy-friendly analytics tool, to understand how people use ATC 2026 so we can improve the game. The analytics data is stored on our own server — no data is shared with third parties.
| Cookie | Purpose | Type |
|---|---|---|
| _pk_id.* | Recognises returning visitors (anonymous ID, 13 months) | Analytics |
| _pk_ses.* | Groups page views into a single session (30 min) | Analytics |
Third-party cookies
ATC 2026 does not use any advertising or social-media tracking cookies. Analytics data is collected by our self-hosted Matomo instance — no data leaves our servers.
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