Cosmic Supremacy is a FREE tick/turn-based massively multiplayer space strategy game with a 3D 'Galaxy View' interface. You share a galaxy with several other players, each with their own alien civilization. Read more...

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Questions, news and other players: join the Cosmic Supremacy Facebook group.

Welcome to ResurgencePosted on 13.09.2026

Cosmic Supremacy shut down and its website went offline, taking with it a game that a lot of people spent years playing. Resurgence is an effort to bring it back.

The work is open source. Progress, current issues, and everyone who has contributed are on GitHub:
https://github.com/rsfutch77/Cosmic-Supremacy-Resurgence

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You need to download and install the client-software, in order to enter any of the galaxies listed below

 
Galaxies

Coming soon.
No galaxies are running yet. This is where they will be listed once multiplayer is back.

 
Copyright © 2023 Cosmic Supremacy

Cosmic Supremacy and the original contents of this site are the work and property of their original creator. This is an unofficial preservation of a site that went offline, rebuilt from public web archives so the work is not lost. No ownership is claimed and nothing here is sold. If you are the original owner and would like this taken down or handed over, contact us in the Facebook group.