So this is an incredible time-killer. Amazingly involving and moddable if there's anything you don't like. Primarily the game revolves around the gathering of just a few primary resources, processing them and turning them into baisic components, which can then be combined to make more complex components, which can then also be combined into even more complex components....you get the idea. There are also hostiles on the planet to deal with who REALLY aren't keen on you tearing down and poisoning their environment, so you need to construct defences and maintain them, power your factory and stay alive.

Ultimately your goal is to be able to construct the (incredibly complicated) rocket and a satelite to put in it, then launch the thing (you have to produce the fuel to feed it as well of course) For me though though the joy lies in the solving of logistical problems; moving what you need to where you need it. Eventually you'll progress to needing train networks to move the immense volume of raw resources from source to your processing/factory area(s) Try the demo, its an older version of the game but the baisic ideas are all in there and it should be enough to figure out if this is your idea of a good time! :) I put several hundred hours into this before it even got as far as steam, so i can absolutely recommend it!