Where Does Moonstone Island Store Mods?
Where Moonstone Island keeps BepInEx mods and island saves on Windows and Linux for full moves.
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Moonstone Island mods live in the BepInEx tree inside the install: plugins for mods and config for per mod options. Island progress with spirits and decks sits in saves apart, so back up both halves.
Confirm the Steam AppID on SteamDB before scripting Proton paths; the number below fits standard installs. Deck modders should note card changes can strand old saves, so keep a clean backup before modding.
Where Moonstone Island stores this, by platform
C:\Program Files (x86)\Steam\steamapps\common\Moonstone Island\BepInEx\plugins
One folder per mod in plugins, options in config. Island saves live outside the install. Keep a clean save backup before modding.
~/.steam/steam/steamapps/compatdata/1654120/pfx/drive_c/Program Files (x86)/Steam/steamapps/common/Moonstone Island/BepInEx/plugins
Same install relative layout under Proton. Confirm the AppID on SteamDB when scripting; replace the number when installs differ.
Frequently asked questions
How do I install Moonstone Island mods?
Drop the mod folder into BepInEx plugins or import a Thunderstore profile. Each mod sits in its own directory. Restart and read the console for errors after game updates.
How do I move modded Moonstone Island to a new PC?
Copy the whole BepInEx folder with the game closed, plus your save files for islands and spirits. Mods travel in plugins, options in config. Match loader versions first.
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