Subnautica: Below Zero
Developed by Unknown Worlds Entertainment · Published by Unknown Worlds Entertainment
At a glance
Overview
An adventure, indie game by Unknown Worlds Entertainment, published by Unknown Worlds Entertainment — single-player.
Steam’s own one-line description: “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.” — developer/publisher text via the Steam store page.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Subnautica: Below Zero.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | Yes |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- Requires a 64-bit processor and operating system
- OS *: Windows 7 64-bit
- Processor: Intel Core i3 4XXX series / AMD Ryzen 3 2.6ghz+
- Memory: 8 GB RAM
- Graphics: Intel HD 530 or better
- DirectX: Version 11
- Storage: 15 GB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i5 4XXX series/ 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
Supported languages (19)
Subnautica: Below Zero FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Subnautica: Below Zero?
Steam classifies Subnautica: Below Zero as a Adventure, Indie game, developed by Unknown Worlds Entertainment. 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.
How much does Subnautica: Below Zero cost?
As of June 2026, Steam lists Subnautica: Below Zero at $7.49. Prices and regional pricing change — check the Steam page for the current figure.
Is Subnautica: Below Zero single-player or multiplayer?
Steam lists these modes for Subnautica: Below Zero: Single-player. It lists a single-player mode.
Is Subnautica: Below Zero on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Subnautica: Below Zero for Windows, macOS. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Subnautica: Below Zero out yet?
Yes — Steam lists a release date of May 13, 2021.
What platforms is Subnautica: Below Zero on?
Subnautica: Below Zero is listed for Windows, macOS on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Subnautica: Below Zero single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Subnautica: Below Zero cost?
Steam lists it at $7.49.
Does Subnautica: Below Zero have achievements?
Yes — Steam lists 13 achievements for Subnautica: Below Zero.
Who made Subnautica: Below Zero?
Subnautica: Below Zero is developed by Unknown Worlds Entertainment and published by Unknown Worlds Entertainment.
Where to get Subnautica: Below Zero
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Unknown Worlds Entertainment.