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About this mod

A version checking utility for Subnautica mods.

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--- UPDATE 21st Dec 2022 ---

I have concluded that VersionChecker will take considerable work to update for Subnautica 2.0 Living Large, mainly due to the fact that mods for 2.0 will be moving from QModManager to BepInEx.

This changes the way that VersionChecker will need to work under the hood, so it will require a redesign of some of the technical aspects.

I plan to begin work on these changes after Christmas, but please be patient as they may take some time to perfect.

In the meantime, you may still use VersionChecker on the legacy branch as normal.


The Subnautica Living Large update - also referred to as the Subnautica 2.0 update or Modpocalypse update - has been released.

This update adds many cool new things to the game, but it also breaks the vast majority of mods, including QMM itself.

At the moment, my main focus is updating my most popular mod - SnapBuilder - for the update. I expect to have it released within the next 48 hours if not sooner.

After that, I will be going through each of my mods and assessing how viable they are in Subnautica 2.0, and how much time it will take to release an updated version.

In the meantime, if you play on Steam, you can continue playing Subnautica with all of your QMM mods by switching to the legacy branch - i.e. downgrading your Subnautica to the last version which QMM still worked for. You can find the option to switch to the legacy branch under the Betas section of the game Properties in your Steam Library.

Thanks for reading,

This version of VersionChecker is for the original Subnautica!
For the Subnautica: Below Zero version, follow this link:


VersionChecker is a simple utility that lets you know when an update is available for QModManager, SMLHelper and other installed mods.


  • Lets you know in-game when an update is available.
  • Configurable frequency to poll for updates, hourly, daily, weekly etc. or just on start up. Configuration options are available in the in-game mod options menu.


  • Install QModManager and SMLHelper
  • Place the VersionChecker folder in your Subnautica\QMods directory

Mod Developer Usage Instructions

If you are a mod developer and want to make your mod compatible with VersionChecker, please see the wiki for usage details.

If you're not a mod developer, just install it as per the Installation instructions above!

GitHub: https://github.com/tobeyStraitjacket/VersionChecker

Need help?

Most issues are resolved by carefully re-reading the installation instructions or stickies at the top of the Posts tab, but if you have stumbled on a bug, please file a bug report on the Bugs tab with as much information as possible to help us find the cause of the issue so we can get it squashed in an update. Useful information includes examples, screenshots, and steps to reproduce the issue.

Check out these other Subnautica mods from tobeyStraitjacket!

SnapBuilder - Snap-to-Grid in Subnautica!

Finally, we can build perfectly aligned and rotated items with the Habitat Builder!


Automatically load the most recent save on launch, for those among us who prefer not to have to click through the menu just to get to the good stuff!