I really appreciate how much you've done in 48 hours. My hackathon experience is a bit angry at you for accepting a "build a factorio-like game in two days" challenge. This features nice and simple graphics, the building mechanics work as intended, and what you've built works fine, but understandably lacks polish. Very nice effort. I have a feeling this would have a potential to be a top contender if this was a game jam with a 7 or 14 days limit.