itch.io

Yeah other things might up the capacity or else it's probably a sign that it's time to prestige

A fertilizer that can only target grains: Growth x3, Gold x2

"More green crystals" should probably be under "Gems" instead of "Mining"

'Green crystals' are the prestige currency for mining. It's not the same as Emeralds.

I get from a mechanics point why you want the amount of ore and granite needed to create bars increase each time you craft a bar but, at the same time, it goes so hard against logic and science that it feels bad each time. 

Maybe just up the scaling on how many bars things cost instead.