Elden Ring running on Steam Flatpak with Seamless COOP and other mods like FPS Unlock

EldenRingSeamlessUnlockOnSteamFlatpak.md

Linux Guide - How to run Elden Ring on Steam Flatpak with Seamless COOP and other mods like FPS Unlock

Steam Flatpak and Proton-GE

Download the latest Proton-GE using ProtonUp-Qt

Elden Ring Mod Loader

Download and extract this to your game folder:

cd ~/.var/app/com.valvesoftware.Steam/.steam/steam/steamapps/common/ELDEN\ RING/Game

Seamless COOP

Download and extract this to your game folder:

cd ~/.var/app/com.valvesoftware.Steam/.steam/steam/steamapps/common/ELDEN\ RING/Game

Make sure the launch_elden_ring_seamlesscoop.exe is executable. You can do this with your file manager or via terminal:

cd ~/.var/app/com.valvesoftware.Steam/.steam/steam/steamapps/common/ELDEN\ RING/Game && \
chmod +x launch_elden_ring_seamlesscoop.exe

Now go to SeamlessCoop folder and change the password in seamlesscoopsettings.ini to whatever you want it to be.

NOTE: Optionally move elden_ring_seamless_coop.dll and seamlesscoopsettings.ini to mods folder located in the Game folder if the game doesn't load SeamlessCoop on start up.

In Steam Library add the new executable as a non steam game and force Proton GE compatibility tool:

~/.var/app/com.valvesoftware.Steam/.steam/steam/steamapps/common/ELDEN RING/Game/launch_elden_ring_seamlesscoop.exe

with these Launch Options:

gamemoderun WINEDLLOVERRIDES="dinput8.dll=n,b" %command%

Installing other mods

Now you can go here and install other mods, such as FPS Unlock and extract them to the mods folder located in the Game folder.