Touch the giant iron grain while pressing space to click it. Click the page icon if you want go to the next page. If an upgrade is white that means you can buy it, if an upgrade is gray you cannot buy it. The very top number is your time. The top number is how many iron grains you have. The middle number is how many iron grains you get per click. The low number is how many iron grains you get per second. Get over a decillion iron grains to win.
I did it all by my self
