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.
Recent Reviews:
Very Positive (1,512) - 93% of the 1,512 user reviews in the last 30 days are positive.
All Reviews:
Very Positive (31,251) - 93% of the 31,251 user reviews for this game are positive.
Release Date:
Jan 30, 2019

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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“We make our best games when you are involved from the start. The earlier you play, the faster we hear what you want. You can see our plans, our progress, our successes and our failures. This is how we built the original Subnautica. By involving you in the development process, and iterating openly on your feedback, we build better games.”

Approximately how long will this game be in Early Access?

“We can't accurately predict how long Early Access will take. We expect at least approximately one year, and potentially more.”

How is the full version planned to differ from the Early Access version?

“Throughout Early Access, we will release a sequence of updates that add new content to the game. Initially, you will only be able to play in the starting zone and surrounding Biomes. Future updates will add new vehicles (like the Hover Bike), new biomes, and new story areas. Bugs will be steadily reduced and performance steadily increased.”

What is the current state of the Early Access version?

“Below Zero offers currently 1-2 hours of story play time. Starting environments are richly detailed, voice acting is present, and bugs are frequent but often not game-breaking. Performance (frame rate) is poor relative to what we want in the finished game. See the "About This Game" section for more information about what features are implemented so far.”

Will the game be priced differently during and after Early Access?

“The price of Subnautica Below Zero will increase by 25% when we release the finished version.”

How are you planning on involving the Community in your development process?

“Please join us in developing Subnautica: Below Zero. You can follow our progress on Twitter, Facebook, YouTube, Instagram, the Steam Community, and the Subnautica Blog. Receive notification of major update release by signing up to the Subnautica Development newsletter. You can see real-time changes to our source code by following @SubnauticaSCM on Twitter, and give us feedback using the in-game feedback system. The whole development team is available to chat on Twitter, in Discord, and on our forums. See our tasks being tracked in real time on Favro.
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About This Game

Below Zero is an underwater adventure game set on an alien ocean world. It is a new chapter in the Subnautica universe, and is developed by Unknown Worlds.

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...

Uncover the truth


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.

Discover uncharted biomes


Swim beneath the blue-lit, arching expanses of Twisty Bridges. Become mesmerized by the glittering, mammoth crystals of the Crystal Caverns. Clamber up snow covered peaks and venture into the icy caves of Glacial Basin. Maneuver between erupting Thermal Vents to discover ancient alien artifacts. Below Zero presents entirely new environments for you to survive, study, and explore.

Construct habitats and vehicles


Survive the harsh climate by constructing extensive habitats, scavenging for resources, and crafting equipment. Blast across the snowy tundra on a Snowfox hoverbike. Cruise through enchanting and perilous biomes in your modular Seatruck.

Research alien lifeforms


Something undiscovered lurks around every corner. Swim through the giant Titan Holefish, encounter the haunting Shadow Leviathan, and visit the adorable Pengwings. Keep your wits about you. Not all creatures in this strange world are friendly.

Survive the chilly temperatures


Jump in, the water’s warm. The below zero temperatures of this arctic region pose a new threat. New weather conditions blanket above-ground habitats. Craft a toasty cold suit, sip on piping hot coffee, and warm up next to Thermal Lilies to stave off the chill.

An ocean of intrigue


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.

About the development team


Below Zero is being created by Unknown Worlds, a small studio that traces its roots back to the 2002 Half-Life mod Natural Selection. It is the same studio that created the original Subnautica. The team is scattered around the globe, from the United States to the United Kingdom, France, Russia, Austria, Australia, Canada, and many more places.

Open development

Subnautica: Below Zero development is open. Get weekly or daily updates, see what the development team is working on, view real time change logs, and give feedback from inside the game. We want to hear your thoughts and invite you to participate in what we are working on.

Warning


This game contains flashing lights that may make it unsuitable for people with photosensitive epilepsy or other photosensitive conditions. Player discretion is advised.

System Requirements

Windows
Mac OS X
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 7 64-bit
    • Processor: Intel Core i3 / AMD Ryzen 3 2.6ghz+
    • Memory: 8 GB RAM
    • Graphics: Intel HD 530 or better
    • DirectX: Version 11
    • Storage: 15 GB available space
    • Additional Notes: Subnautica Below Zero is an Early Access game, and minimum specifications may change during development
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64-bit
    • Processor: Intel Core i5 / AMD Ryzen 5 @ 3Ghz +
    • Memory: 8 GB RAM
    • Graphics: Nvidia 1050 Ti / AMD Radeon 570, 4GB VRAM
    • DirectX: Version 11
    • Storage: 15 GB available space
    • Additional Notes: Subnautica Below Zero is an Early Access game, and recommended specifications may change during development.
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: OS X 10.11 El Capitan
    • Processor: Intel Core i5
    • Memory: 8 GB RAM
    • Graphics: Intel Iris Pro 650 or better
    • Storage: 15 GB available space
    • Additional Notes: Subnautica is an Early Access game, and minimum specifications may change during development
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: OS X 10.13 High Sierra
    • Processor: Intel Core i7, 4 cores
    • Memory: 8 GB RAM
    • Graphics: AMD Radeon R9 M395 or better
    • Storage: 15 GB available space
    • Additional Notes: Subnautica is an Early Access game, and recommended specifications may change during development.

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