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Sci fi RPG systems
(lemmy.ca)
This community is for meaningful discussions of tabletop/pen & paper RPGs
Rules (wip):
Check out the Alien TTRPG. Super easy to learn from a player perspective. It discusses ships. But I don't believe there are mechanics for it. Maybe check out FATE? Or the Firefly TTRPG?
Ironically, FATE is probably the best, because it is divorced from setting. But would require some additional work.