Subnautica Build 03102025 + Nitrox MP Mod Alpha 1.8.1.0

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Game updated on 31-05-2026, 19:47. Current version / latest version: 83031 Build 03102025 + Nitrox MP Mod Alpha 1.8.1.0.
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User Verdict

Based on 65 community votes

About The Game

For more than three years, the Subnautica project has been under development. Developers from the independent studio Unknown Worlds Entertainment monthly «finished» their product, making the game more and more high-quality, stable and diverse. By genre affiliation, this game belongs to the category of survival, where in the gameplay respect craft and the exploration of the marvelous world prevail. In this case, the world is an underwater universe, lurking in itself a lot of secrets, secrets, and even harboring alien creatures.

NOTE. Uploaded version: 31 May 2026 [Build 03102025 + Nitrox MP Mod Alpha 1.8.1.0]. This is Full Release and latest version of game. The game is already Packaged in Installer and ready to run the game after install, read the instruction below.

According to the plot, the protagonist traveled through space in his spaceship until he crashed and collapsed on an alien, unknown planet. The rescue capsule, inside which was the protagonist, fell directly into the water. The hero’s goal is simple and obvious — to survive in any way, repair the ship and leave this aggressive-minded world. But how to do it when there is a water surface around you for hundreds of kilometers? Perhaps this planet is completely composed of water, and there is no land on it as such.

In such a situation in game Subnautica, it’s better not to think of anything other than engaging in the study of the underwater world, simultaneously collecting from the bottom everything that is bad. From the materials found, the protagonist can create different objects, because his rescue capsule has a surviving 3D printer and a working computer. You can create using the printer and found by the resource as building materials necessary for repairing the shuttle, as well as clothing, weapons, appliances and other useful devices. Also, the protagonist needs to develop drinking water and cook his own food so as not to die from hunger and dehydration.

System Requirements

MINIMUM:
Requires a 64-bit processor and operating system
OS: Windows Vista SP2 or newer, 64-bit
Processor: Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent
Memory: 4 GB RAM
Graphics: Intel HD 4600 or equivalent — This includes most GPUs scoring greater than 950 points in the 3DMark Fire Strike benchmark
DirectX: Version 11
Storage: 20 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: Windows Vista SP2 or newer, 64-bit
Processor: Intel Haswell 4 cores / 4 threads @ 3.2Ghz or equivalent
Memory: 8 GB RAM
Graphics: Nvidia GTX 550 Ti or equivalent, 2GB VRAM
DirectX: Version 11
Storage: 20 GB available space
Additional Notes: Subnautica is an Early Access game, and recommended specifications may change during development.

Screenshots

Subnautica Build 03102025 + Nitrox MP Mod Alpha 1.8.1.0 gameplay screenshot 1
Subnautica Build 03102025 + Nitrox MP Mod Alpha 1.8.1.0 gameplay screenshot 2
Subnautica Build 03102025 + Nitrox MP Mod Alpha 1.8.1.0 gameplay screenshot 3

Gameplay Trailer

How to Install

  1. Download the game files through torrent.
  2. Run the installation file «Subnautica_setup.exe», follow the instructions.
  3. Choose a place on the disk, where the game will be installed.
  4. Wait for the notification that the game is installed.
  5. Сlick on the label of the game, Play!

Download Subnautica Build 03102025 + Nitrox MP Mod Alpha 1.8.1.0

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Game Update History

  • Subnautica v83031 → Build 03102025 [ 31.05.2026 ]
  • Subnautica v82304 → v83031 Build 20241558 [ 04.10.2025 ]
  • Subnautica Build 10676206 → v82304 Build 18810395 [ 13.08.2025 ]
  • Subnautica Build 13137291 → Build 10676206 [ 08.04.2024 ]
  • Subnautica Build 10676206 → Build 13137291 [ 12.01.2024 ]
  • Subnautica → Build 10676206 [ 04.12.2023 ]

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Comments 2

  1. SkidCodexCo Offline 8 April 2024 05:40
    Patch Notes
    Steam SDK upgrade
    Steamworks .NET upgraded to 20.1.0
    Virtual Keyboard support for Steam Big Picture mode
    Fixed wrong controller stick dead zones handling (now should be easier to aim using controller)
    Fixed occasional black screen on game start
    Refactoring, other fixes and UX improvements (mostly related to controllers)
    Fixed black screen in VR after resolution change
    --------------------
    Make a Small Donation ❤️
  2. SkidCodexCo Offline 13 August 2025 09:38
    Change Log
     
    PC & Console

    Added a pop-up newsfeed that can be used for one-time-only announcements.
    Fixed an issue where passing through the Alien Arch portals (e.g. in the Primary Containment Facility) in your PRAWN suit freezes stats like oxygen or hunger, if you exited the suit.
    Fixed the PRAWN suit sometimes falling through the map or getting stuck when the player returns from an Alien Arch portal.
    Fixed Leviathans having a tendency to fly above the ocean surface when grabbing the Seamoth or PRAWN suit in certain cases.
    Fixed having a permanent player view rotation offset upon respawning, if the player died while piloting the Scanner Room Camera Drone.
    Fixed the game freezing if a player managed to construct a SeaBase piece inside of the Cyclops. It is now recognized as an obstacle for base building.
    Fixed a bug where the Repulsion Cannon could displace objects built inside the Cyclops, causing them to fall outside of it and sometimes disappearing into the sea floor.
     
    PC Only (Excluding Windows Store)

    Changed from legacy Unity input to the new “com.unity.inputsystem” to accommodate controller improvements.
    Fixed a bunch of controller related issues. 
    Reworked input options. 
    Various InputSystem related fixes and performance optimizations. 
    The game now properly supports the following controllers in both wired and wireless modes: Xbox 360, Xbox Series, PS4, PS5, PS5 Edge, Nintendo Switch Pro.
    Changed to the new Unity Sprite Atlas packer (backport from Below Zero).
    Changed from baked InputSymbols.ttf to SDF sprites for displaying inline control icons in text. 
    Updated control icons. 
    Fixed game falling back to text representation of controls instead of control icons for some input bindings when no controller is connected.
    Fixed navigation icons in PDA and Builder Menu not updating bindings dynamically when they change (e.g. when controller type changes).
    Fixed an issue where the user cannot toggle the 'auto move' setting to On while cycling through Cyclops' cameras.
    Made Cyclops steering wheel animations gamepad-friendly.
    --------------------
    Make a Small Donation ❤️