Click on the stone to mine it. Collect ores and sell them for a bigger mine or a better pickaxe it costs $250 for the first pickaxe upgrade It costs $500 to upgrade the mine Press 1 to sell the ores you have Press 2 to buy a better pick ($250), + $500 every upgrade Press 3 to upgrade from 1 stone to 4 ($500) Press 4 to upgrade from 4 to 9 ($1,000) Press 5 to upgrade from 9 to 16 ($1,500)
