Digger treasure on Mars 1.1

In 2070 the Terrans colonized Mars. Among corporations, broke out the real battle for resources. To resolve the dispute, the contract was made. The title of the best digger, gives the right to the mine. With this, the moment for each mine, the battle is who is faster and more collect minerals will become the owner. For production of jewelry, use robot avatar, upgrade and improve its capabilities.