

Due to Thunderstore limitations, if there is information that needs to be live updated or shared about this pack it will be listed on the Wiki tab of the package. If you need to have something listed there, please contact one of the maintainers.
This is BepInEx 5.4.23.3 pack but pre-configured for Valheim. It is maintained by Azumatt, Vapok, and Margmas in the Valheim community. The specific changes and deviations from upstream BepInEx can be see in Azumatt's Repo. If changes to the pack need to be made but BepInEx itself doesn't need to update typically we will increment the version for Thunderstore. Example: 5.4.2202, this does not mean that BepInEx itself needed to update, likely it's a small change for the game or something needed to change in the description etc.
BepInEx is a general purpose framework for Unity modding. BepInEx includes tools and libraries to
BepInEx is currently one of the most popular modding tools for Unity on GitHub.
This pack is preconfigured and usable for Valheim modding.
In particular, the changes from base BepInEx releases are:
BepInEx.cfg with console enabled and correct entry point for mods.🔴IMPORTANT❗🔴 DO NOT ASK FOR HELP in the Official BepInEx Discord
The Valheim community runs a customized version of BepInEx and the official BepInEx folks are unable to help.
If you are having problems with BepInEx in general, mods running on Valheim, or unsure between the two, please seek assistance from ANY of the Discords of the maintainers listed below.
This is the recommended way to install BepInEx on the game.
There are some managed dedicated server that support simple and automatic BepInEx installation.
Here is a list of known ones (list updated as more is known).
Note: Some of the links may be affiliate links
If you are installing this manually, do the following
Start with a clean install. Make triple sure your Valheim folder is clean and unmodified
Click the Manual Download button on the package page above to download the archive, it looks like this:

Once saved to your computer, extract the archive into a folder. Do not extract into the game folder.
Move the contents of BepInExPack_Valheim folder into <Steam Location>\steamapps\common\Valheim.

Check that you have installed it correctly. If done correctly, your folder will look as follows

Follow either Windows or Linux game running instructions below:
No need to configure. Simply run the game. If everything is correct, you will see a console pop up.
Make start_game_bepinex.sh executable with chmod u+x start_game_bepinex.sh.
In Steam, go to game's properties and set game's launch arguments to
./start_game_bepinex.sh %command%
Note to advanced users: You can change ./start_game_bepinex.sh to full path to the script. This way you can install this pack entirely outside of game folder.
Run the game via Steam.
At this moment you will not see any clear indication if BepInEx works. It is suggested to test by installing a simple plugin such as MessageCenter from BepInEx.Utility.
This guide assumes you have enough knowledge working with Linux.
If not, it is suggested you use a server host that supports it out of the box.
start_server_bepinex.sh executable with chmod u+x start_server_bepinex.sh.start_server_bepinex.sh to change the launch parameter like you would with Valheim's own launch script.start_server_bepinex.sh to start the server.If done correctly, you will see BepInEx bootstrap messages in the terminal.
If BepInEx was loaded successfully into the game, you should see a BepInEx console window launched next to the game in the taskbar (Windows):
Stacked:

Expanded:

Confirm no errors or issues by having Grey/White text in the console only (Info and Message). Red are fatal errors, Dark Red are errors, Yellow are warnings, Dark Gray are debug, and any other color is a custom message.
