StarSim is a space strategy RPG with live galaxy simulation. The game combines real-time with paused spaceship combat, turn-based crew combat, text quests and more. Be a hero, a trader, a scavenger, a mercenary or a pirate.
Starsim - https://store.steampowered.com/app/2166890/Starsim/

Also, add the spin-off to your wishlist - StarSim: BattleZone (https://store.steampowered.com/app/3295350/StarSim_BattleZone/)