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This article is about Sector Zero in Subnautica. For the related article on the Below Zero Wiki, see Sector Zero.

Sector Zero is the area where Subnautica: Below Zero takes place.[1][2]. This mega biome is sub-divided into smaller biomes, such as the Arctic Spires, Sparse Arctic, and Twisty Bridges. It is one of the two known mega-biomes on Planet 4546B, the other being The Crater. Sector Zero sits at the planet's equator, although experiences an unusual climate that leaves it covered with ice and cold temperatures overall.

The Sector Zero landmass can be seen in the ending scene of Subnautica, as the Neptune Escape Rocket orbits Planet 4546B.

Biomes within Sector Zero

See the Biomes page on the Below Zero Wiki.


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