Help test KOS-MOS Frontier before it opens up.

The first alpha is intentionally small. If you enjoy economy, logistics and building systems, send your email and a short note about why you would like to test KOS-MOS.

Browser alphaAccess by email inviteSaves stay in your browser

Apply

Apply for the Closed Alpha

Places are enabled manually. An application does not guarantee access, but every real application is reviewed.

Email addressWhy would you like to test the alpha?

Website

Your details are used only to handle your alpha application. See the privacy policy.

Already invited?

Open the Closed Alpha

If your email has already been approved, open the protected build. Cloudflare will send a one-time login code to that address.

Open Closed Alpha↗

What happens next

01
Your application appears in my private admin inbox.
02
I review applications and enable access manually.
03
Approved testers sign in with their approved email and a one-time code.

KOS-MOS · KAROL DECYK

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