The Subnautica story is not over – meet its sequel Below Zero. The plot starts a year after the events of the original game. The main character finds herself at an alien research station, and her aim is to investigate why her sister vanished. She starts an ice-cold underwater adventure to find out the truth. For this, she will have to organize a base and environment for survival from almost complete scratch. You will need to work hard to help her develop necessary instruments and scan the surrounding.