This game has a LOT of potential, I'm really looking forward to seeing how it'll progress. My main feedback is that it's unclear what certain mechanics do, specifically the smelting and the steel drill only seems to slow down progress. I ran into a bug where I couldn't interact with the keyboard or the automation randomly stopped. If you could add descriptions to new upgrades and such and create an incentive to go deeper (because right now I don't think it does anything) this could become a solid game.