Subnautica: Below Zero

Subnautica: Below Zero is a game made by Unknown Worlds Entertainment that acts as a stand-alone expansion to the story of Subnautica. The story takes place within Sector Zero, an arctic zone of Planet 4546B. It features a new protagonist, Robin Ayou, rather than Ryley Robinson. It takes place in a different location, two years after Ryley Robinson's escape from the planet.

Description
Dive into a freezing underwater adventure on an alien planet. Set one year after the original Subnautica, Below Zero challenges you to survive a disaster at an alien research station on Planet 4546B. Craft tools, scavenge for supplies, and unravel the next chapter in the Subnautica story.

System Requirements
Windows=

Mac OS X=

Trivia

 * The Prawn Suit is the only vehicle from Subnautica to return in this game.
 * Certain features of the game were teased as early as February 2018, less than a month after the official release of Subnautica.
 * Subnautica: Below Zero was originally built on the same code as Subnautica. However, the game has underwent major changes and optimizations during the course of its development.