The quest in the bottom right gives you a goal, and mouse over the grey or red boxes by the Coal and Stone LOREDs to see what they cost. That's the buy button!
OHHHit didnt show up initially, i had to go into and out of full screen for it to show up :/
wait, why does the bar for production finish halfway?
Html5 issue, it's full of miscellaneous issues. Unless it's actually broken, but 🤷
