freeorion

Install command: 
brew install --cask freeorion

Name: FreeOrion

Turn-based space empire and galactic conquest game

https://freeorion.org/

Cask JSON API: /api/cask/freeorion.json

Cask code: freeorion.rb on GitHub

Current version: 0.5.1

Current version requires: macOS >= 10.15

freeorion is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
freeorion 1
Installs (90 days)
freeorion 14
Installs (365 days)
freeorion 41
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