I'm 18 and I find it really addictive and challenging to find out the most efficient scheme and proportions of my manufacturing by myself using a pencil, paper and spreadsheets. Can't remember if some game did that to me.

Bought the game a few days ago. I heard and saw it about a year or two ago, but didn't like how it looks and never recalled it. But a few day ago I had a chance to play Factorio and after 2 hours I certainly decided to buy it. For these 2 or 3 days I played really a lot since I have days off. Factor...