So the challenge for the player is to save money even after doing all these things and make it a profitable business. The player also needs to buy fuel tanks, upgrades for the ship. The player may need to repair the mining ship. Space bar can be used to interact.The most challenging features of this game are to collect precious minerals and to collect the profits. Also arrow keys can be used to control the miner. In this game the player can find out diamonds, sapphires, silver, gold, coal, iron, rubies and emeralds.The player can use the letter keys W, A, S and D to play the game. The goal of the game is to dig and find minerals, gems and sell them to collect profits. You need to play this strategy game with minute concentration.