Mothership: A one-shot of a sci-fi horror RPG

Beginners Welcome!

Mothership is a sci-fi horror roleplaying game where you and your crew try to survive in the most inhospitable environment in the universe: outer space! You'll excavate dangerous derelict spacecraft, explore strange unknown worlds, exterminate hostile alien life, and examine the horrors that encroach upon your every move.

Here's a nice review and overview of the system:
https://bloody-disgusting.com/reviews/3812933/review-tabletop-rpg-mothership-has-all-the-tools-for-exploring-the-terrifying-corners-of-outer-space/