GitHub - endless-sky/endless-sky: Space exploration, trading, and combat game.
github.com
Space exploration, trading, and combat game. Contribute to endless-sky/endless-sky development by creating an account on GitHub.

Endless sky can run on really low powered hardware, and is a top down space combat/trading/adventure game. Being FOSS it’s on a lot of operating systems and can be found everywhere from Steam to Flathub to F-Droid.