Plutonium Setup

Flatpak Steam

flatpak install -y flathub com.github.tchx84.Flatseal com.valvesoftware.Steam

1. Open Steam
2. Click Steam
3. Click Settings
4. Click Storage
5. Click the drop down menu
6. Click Add Drive
7. Add ~/.var/app/com.valvesoftware.Steam/Steam instead of ~/.var/app/com.valvesoftware.Steam/.local/share/Steam
8. Rename this newly created drive and make default

Plutonium-Supported COD Game

1. Go to Library
2. Install your Plutonium-supported COD game
3. Right-click your Plutonium-supported COD game
4. Click Properties...
5. Click Compatibility
6. Check Force the use of a specific Steam Play compatibility tool
7. Select Proton Experimental

Plutonium

1. Download Plutonium
2. Navigate to ~/.var/app/com.valvesoftware.Steam/Steam/steamapps/common
3. Create a folder called Plutonium
4. Move plutonium.exe into Plutonium
5. Open Steam
6. Go to Library
7. Click Add a Game
8. Click Add a Non-Steam Game...
9. Click Browse...
10. Select plutonium.exe from ~/.var/app/com.valvesoftware.Steam/Steam/steamapps/common/Plutonium
11. Right-click Plutonium
12. Click Properties...
13. Click Compatibility
14. Check Force the use of a specific Steam Play compatibility tool
15. Select Proton Experimental
16. Launch Plutonium

For every Plutonium-supported COD game, use

echo "Z:${PWD//\//\\}"

to obtain the necessary Windows-style path Plutonium requires.

Optional: Controller Support

1. Go to Library
2. Click Plutonium
3. Click the controller icon
4. Click Disable Steam Input