Eden supports two categories of game mods: standard RomFS mods installed through Eden’s built-in mod folder, and framework-based mods (such as ARCropolis for Super Smash Bros. Ultimate) that are installed directly to the emulated SD card. Always read a mod’s own installation instructions before proceeding — framework-based mods require a different setup path than standard ones.Documentation Index
Fetch the complete documentation index at: https://mintlify.com/eden-emulator/mirror/llms.txt
Use this file to discover all available pages before exploring further.
Installing mods for most games
Open the mod data location
Right-click the game in the game list and select Open Mod Data Location. A file explorer window opens pointing to the correct directory for that title.
Enabling and disabling mods
SD card path equivalents
Some mods are written for real Nintendo Switch hardware and reference the SD card root. Eden maps its emulated SD card to a local directory on your machine.Framework-based mods (Super Smash Bros. Ultimate)
Games like Super Smash Bros. Ultimate use external mod frameworks — most commonly ARCropolis — instead of Eden’s built-in mod loader. These mods are installed to the emulated SD card, not the normal mod folder.Some mod packs (for example, Smash Ult-S) bundle ARCropolis with their own installer. Check the mod’s documentation before following the manual steps below.
Installing the ARCropolis framework
Download ARCropolis
Download the latest release from github.com/Raytwo/ARCropolis/releases.
Install ARCropolis to the emulated SD card
Extract the Verify the installation by confirming this file exists:
atmosphere folder from the downloaded archive into:Download Skyline
Download the latest Skyline release from github.com/skyline-dev/skyline/releases. Skyline is now distributed separately from ARCropolis to prevent compatibility issues caused by outdated bundled versions.
Install Skyline
Extract the The
exefs folder from the Skyline archive into:exefs folder should sit alongside the existing romfs folder. Verify by confirming this file exists:Launch the game once to initialize
Start Super Smash Bros. Ultimate in Eden. On the title screen, you should see the ARCropolis version text displayed. This first launch also creates the directory structure required for mod installation.
Troubleshooting ARCropolis
ARCropolis version text does not appear on the title screen
ARCropolis version text does not appear on the title screen
Confirm both of the following files exist:
%AppData%\eden\sdmc\atmosphere\contents\01006A800016E000\romfs\skyline\plugins\libarcropolis.nro%AppData%\eden\sdmc\atmosphere\contents\01006A800016E000\exefs\subsdk9
%AppData%\eden\sdmc (not a subfolder of it).Mods are installed but not loading in-game
Mods are installed but not loading in-game
Verify that each mod is placed inside its own subfolder under
sdmc\ultimate\mods. A common mistake is creating an extra level of nesting:| Path | |
|---|---|
| Correct | sdmc\ultimate\mods\ExampleMod\ |
| Incorrect | sdmc\ultimate\mods\ExampleMod\ExampleMod\ |
Accidentally installed ARCropolis mods to Eden's standard mod folder
Accidentally installed ARCropolis mods to Eden's standard mod folder
ARCropolis mods must not be placed in Eden’s standard mod folder (
user\load\01006A800016E000). That path is only for traditional RomFS mods. Move any incorrectly placed mods to sdmc\ultimate\mods instead.