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Endless Sky is a Free Software (GPLv3) 2D space exploration game
(endless-sky.github.io)
Tabletop, DnD, board games, and minecraft. Also Animal Crossing.
3rd International Volunteer Brigade (Hexbear gaming discord)
Rules
Sounds neat! Found an Android port on Fdroid
https://f-droid.org/packages/com.github.thewierdnut.endless_mobile/
I was able to install the game directly from Gentoo Portage.