Exocraft.io is awesome io game about the space. You landed on the new planet and your main goal is to mine minerals and other resources. You have under your control spaceship, use it to explore the planet and search for the crystal points and wreckages.
Mine resources from them as much as possible. Be careful, crystal points protected by the guardians and they will try to kill you. In this situation you need to buy drones, they will help you to kill guardians, also you can buy upgrades to mine resources faster. Have fun and see you in the game.