This is sort of crack for engineers. I have lost hours well beyond my normal sleep time and felt nothing but surprise. It's pure, and it's great. Unless you don't want a Factorio's night sleep. Then potentially stay away. Or if you hate engineering, I suppose.

This is sort of crack for engineers. I have lost hours well beyond my normal sleep time and felt nothing but surprise. It's pure, and it's great. Unless you don't want a Factorio's night sleep. Then potentially stay away. Or if you hate engineering, I suppose.