If you value your time or your relationship with other humans, do not get this game.
If however, you prefer machines that automatically craft things for you, and you love to lay them out and do research so you can craft more complex and more useful machine and items so that you can stop those pesky aliens from destroying those machines, then do I have the game for you!
You build conveyors to carry ore from your mines to your smelters which you then craft into science packs to do research to make better miners and bigger and faster machine to do more research to get better technology and better machines to build a rocket to launch into space to get more research to make a bigger factory. Hence, the factory grows!
Did I mention trains to movie items around and cars and tanks and artillery to fight the aliens?

I originally posted this review in 2016, it is now 2019, I have nearly 2000 hours played and it's still my favorite game! It's on track to be amazing when it comes out next year!

It now November 2020, 1.0 is out and 1.1 is in testing. I have over 2800 hours in game. Spidertron was added and so many quality of life and polishing changes have been added! The game play is fantastic and there are so many mods that you can add once you've gone through the main game. It this game sound evenly remotely interesting to you, TRY THE DEMO!