Dig down to find the ultimate Diamond - upgrade your robot to dig deeper.
Falling Rocks makes it hard to get some ore but your robot have to survive.
##### Visit the Robo Miner Fan Page/Group #####
You start at a very small mine where you can make your first experiences and find your first money and of coure the first Ultimate Diamond.
Soon you will proceed to the next mine - each mine is deeper than the mine before and so you will find different types of ore, which you can mine. At some point you will also find many types of gems of even more value.