FUSER's official multiplayer servers were shut down in December 2022, so the single-player campaign and freestyle modes will be the primary functional components.
To "prepare" or install this content, follow these general steps for a modded Nintendo Switch: 1. Extract the Archive FUSER-NSP-ROMSLAB.rar
The .rar file is a container. Use a tool like or WinRAR to extract the contents. FUSER's official multiplayer servers were shut down in
You can install the extracted .nsp files using a homebrew installer such as , DBI , or Awoo Installer . Use a tool like or WinRAR to extract the contents
Ensure your console has the latest sigpatches installed. Without these, the Switch will fail to launch custom NSPs.
If the .rar contains multiple files, install the Base Game first, followed by any Updates and then DLC.
Use a tool like DBI or Tinfoil on your Switch and a companion app like NS-USBloader on your PC to transfer the file directly over USB. This avoids the 4GB file size limit of FAT32 SD cards.