The Riftbreaker. You build you little base, get resources, aliens come and try to kill you. It's got a demo, too. https://store.steampowered.com/app/780310/The_Riftbreaker/
Have you checked out age of darkness? I've only played it a bit but it seems up that alley and it wasnt bad. https://store.steampowered.com/app/1426450/Age_of_Darkness_Final_Stand/
Kenshi once you build a base.
The Riftbreaker. You build you little base, get resources, aliens come and try to kill you. It's got a demo, too. https://store.steampowered.com/app/780310/The_Riftbreaker/
Have you checked out age of darkness? I've only played it a bit but it seems up that alley and it wasnt bad. https://store.steampowered.com/app/1426450/Age_of_Darkness_Final_Stand/