Expedition 33 – How To Optimize & Increase FPS At Steam Deck?

Clair Obscur Expedition 33

The players who have installed Clair Obscur: Expedition 33 in the Steam Deck are suffering from low FPS at combat, and world exploration. To increase the FPS there is a certain mod that does not interfere with the Steam achievements and any of the files of the game to provide a genuine game experience to all the players.

How To Increase The FPS And Optimize The Game Clair Obscur: Expedition 33 At Steam Deck

Follow the steps to enjoy the game in Steam Deck.

Step 1:
  1. Install the Mods.
  2. Download the mod from the nexusmods.com
  3. Extract and overwrite all the files to the following directory:
  • /home/deck/.local/share/Steam/steamapps/compatdata/1903340/pfx/drive_c/users/steamuser/AppData/Local/Sandfall/Saved/Config/Windows/

4. Next, go back to the config in the directory i.e.:

  • /home/deck/.local/share/Steam/steamapps/compatdata/1903340/pfx/drive_c/users/steamuser/AppData/Local/Sandfall/Saved/Config/

5. Right-click on the Windows folder and select Properties.

6. Click on Permission and select all Owner, Group, and Others to “Can Only View Content“.

Step 2:
  1. Once the mod is installed, go to Steam Library and Right click on the Properties.
  2. Paste the command “SteamDeck=0 RADV_PERFTEST=aco,gpl %command%” on the Launch Options.
  3. Check the Compatibility and Force the use of a specific Steam Play Compatibility Tool.
Step 3:
  1. Download the latest version of XESS .zip file from github.com
  2. Open the .zip downloaded file.
  3. Extract the bin files and overwrite the 4 files in the following directory:
  • /home/deck/Desktop/common/Expedition 33/Engine/Plugins/Marketplace/XeSS/Binaries/ThirdParty/Win64/

4. The bin files that need to be extracted are:

libxell.dll
libxess_dx11.dll
libxess_fg.dll
libxess.dll

If the brightness of the game is too low, you can change the settings at Engine.ini;

line 370 r.TonemapperGamma=1 (To increase the brightness lower the value to 0.9-0.8)

To unlock The Steam Achievements, click the following guides:

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