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.