Have a look at Factorio. It’s DRM free and you can easily spend hundreds or thousands of hours on it if you like it. Try the free demo first. Also keep in mind that it’s never on sale (or always, depends how you look at it). Be warned though, it’s very addictive.
Have a look at Factorio. It’s DRM free and you can easily spend hundreds or thousands of hours on it if you like it. Try the free demo first. Also keep in mind that it’s never on sale (or always, depends how you look at it). Be warned though, it’s very addictive.