Subnautica Autosave BZ (Official)

Subnautica Autosave BZ

Description:

An automated save system with several optional save conditions. Autosave slots are separate from the normal save by default.

Includes a rebindable Quicksave key which triggers a normal save.

Everything is configurable in Menu → Options → Mods → Autosave BZ

Installation:

1. Install BepInEx for Subnautica Below Zero

2. Install Nautilus BZ

3. Download the latest zip file from the Files tab

4. Unzip the contents of the zip to the game's main directory (where SubnauticaZero.exe can be found)

(Optional) Translation:

1. Navigate to ...\SubnauticaZero\BepInEx\plugins\SubnauticaAutosave_BZ\Localization

2. Copy English.json and change the file name to match your language.

* Valid language names are found in ...\SubnauticaZero\SubnauticaZero_Data\StreamingAssets\SNUnmanagedData\LanguageFiles

3. Translate the file. Do not touch the keys ("AutosaveStarting"), only the values ("Autosave sequence...")

4. Share the file with me on GitHub or in a Nexus private message

FAQ:

• []Q. Does this mod support the latest Subnautica: Below Zero update?[/]

  []A. Latest version tested on August 2026[/]

  []Q. Is this mod safe to add or remove from an existing save?[/]

  []A. Yes, should be completely safe. Autosave slots are separate from main save[/]

  []Q. Does this mod have any known conflicts?[/]

  []A. Do not use this mod with other autosave/quicksave mods[/]

  []Q. Does this mod impact performance?[/]

  []A. Autosaves are created in a similar way to vanilla saves. Time is frozen while autosaving, so should be safe to run even on weak PCs

  Source code can be found here. (Link: GitHub)

  Credits:

  Powered by Harmony

  Code & updates by MrPurple6411, Bisa

  Translations by DJDosKiller, ZiiMiller, NelttjeN, obgr, Yanuut, vsx06, Nodzukav, Anthuulos, Amph3, realmister, love309099225, 2315506431