There are plenty of indie games that allow you to host your own servers, like Minecraft and Starbound. You can always host a server on your regular PC, but it will be unavailable whenever you turn your computer off. Turn your old rig into a server, however, and you can stick it in ...
I've read everything, and I found I don't like making it too simple by turning off biters/spitters. The defense of the base seem to be a large part of the game as hale42 point out, it's the same as when I started playing Minecraft almost 10 years ago now, actually, I've NEVE...