Subnautica: Below Zero From the award-winning studio, Unknown Worlds Entertainment, presents the return to the world of 4546B with Subnautica Below Zero. Dive into a freezing underwater adventure on an alien planet. Set one year after the original Subnautica, Below Zero challenges you to survive the icy biomes both above and below the surface. Craft tools, scavenge for supplies, and unravel the next chapter in the Subnautica story.   Features Next Gen: Supports up to 4K in High Quality Mode & 60 FPS in Performance Mode. Next Gen: Improved texture fidelity & loading times. Survival is Key: Gather valuable materials, craft tools, manage your hunger and thirst, all while evading the dangerous wildlife that sees you as its next meal. The Mysteries Submerged on Planet 4546B: You came here in search of answers. You risked everything to get here and you will not leave until you have uncovered the truth. Exploration: Delve into unique aquatic and terrain biomes that will unlock not only materials, but the answers that you seek. Build Your Habitat: Crafting and building the comforts of home here.  These bases will be integral for your survival from not only the wildlife, but also the harsh environment around you.