mine your way to riches by mining for minerals and gems to sell. In Giga Miner game you will find shopkeepers in each town that will have one or more objectives for you to complete before you can move to new towns and mines. Unlock all towns, mines and upgrade your house. If your health runs out you will be taken to the hospital, which will cost you. If you get taken 3 times your game will be over. Arrow Keys - Move. Up Arrow Key - Enter. D - Dynamite. P - Red Potion.