Subnautica: Below Zero cover

Subnautica: Below Zero

Subnautica →

Critic score5 critics
First release
May 13, 2021
Engine
Unity
Genres
Indie, Adventure · Open world, Science fiction, Survival

Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.

Also known as Below Zero, SubnauticaZero.exe

Attributes

No Attributes added.

Details

Storyline, release dates, time to beat, age ratings, modes, links, keywords

Storyline
Return to planet 4546B. Submerge yourself in an all-new, sub-zero expedition in an arctic region of Planet 4546B. Arriving with little more than your wits and some survival equipment, you set out to investigate what happened to your sister... Alterra left in a hurry after a mysterious incident. Abandoned research stations dot the region. What happened to the scientists who lived and worked here? Logs, items, and databanks scattered among the debris paint a new picture of the incident. With limited resources, you must improvise to survive on your own. What really happened to your sister? Who were the aliens who came here before? Why were they on this planet? Can we find solace from grief in truth? Below Zero extends the story of the Subnautica universe, diving deep into the mystery introduced in the original game.Read more

Return to planet 4546B. Submerge yourself in an all-new, sub-zero expedition in an arctic region of Planet 4546B. Arriving with little more than your wits and some survival equipment, you set out to investigate what happened to your sister... Alterra left in a hurry after a mysterious incident. Abandoned research stations dot the region. What happened to the scientists who lived and worked here? Logs, items, and databanks scattered among the debris paint a new picture of the incident. With limited resources, you must improvise to survive on your own. What really happened to your sister? Who were the aliens who came here before? Why were they on this planet? Can we find solace from grief in truth? Below Zero extends the story of the Subnautica universe, diving deep into the mystery introduced in the original game.

Release dates
Nintendo Switch
May 13, 2021
PC (Microsoft Windows)
May 14, 2021
Mac
May 14, 2021
All 11 release dates
PlayStation 4
May 14, 2021
Xbox One
May 14, 2021
Nintendo Switch
May 14, 2021
PlayStation 5
May 14, 2021
Xbox Series X|S
May 14, 2021
Nintendo Switch 2
Feb 17, 2026
PC (Microsoft Windows)
Jan 30, 2019
Mac
Jan 30, 2019
Time to beatIGDB · recorded
Main Story
20h
Main + Extras
30h
Completionist
32h
Game modes
Single player
Perspective
First person
Keywords
female protagonist, black protagonist

At a Glance

Critic Score
85
Main Story (IGDB)
20h
Main + Extras (IGDB)
30h
Completionist (IGDB)
32h

Overview

Steam review summary

Steam users rate this Very Positive, 99,641 reviews in all languages, recorded 16 October 2026

Valve's summary of Steam user reviews. Valve counts only reviews from purchases on Steam, not key activations, and leaves out review periods it has marked as off-topic. It isn't part of the CritScore score.

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About storefront and compatibility information

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