Click HIRE to get workers for Money. Their costs increase as you buy more. Click SELL to get Money from materials Click BUILD to upgrade your mine to a bigger one, and make your workers go faster. You can only upgrade it 3 times. Hover over the button to see how much workers cost, how much money you can get by selling, and how much it costs to upgrade. Hover over the bins to see their current value.4 Diamonds are worth the most, Gold the second, and Coal the least at the beginning. Their values will constantly change, so make sure that you sell them at a good time!
