-CONTROLS- space or click the pickaxe - add ore equal to your OPC 1 - buy an Upgrade 2 - buy a MiniMiner Adding ore adds 1 + your Upgrades ore. A Upgrade or MiniMiner costs 100 ore. MiniMiners add 1 ore every second each. You can see your stats by hovering your mouse over the amber. (amber is the orange thingy in the top-right corner)
feb 2021 edit: re-uploaded because why not OPC = Ore Per Click OPS = Ore Per Second
