Arch Linux is a popular Linux distribution known for its simplicity, flexibility, and focus on user-centric customization. 

Within the Arch User Repository (AUR), a community-driven repository of user-made packages, users can access a vast array of software not included in the official repositories. Proton, developed by Valve in collaboration with CodeWeavers, is a compatibility layer that enables Windows games to run on Linux seamlessly through Steam. 

Proton-GE-Custom, an enhanced version of Proton maintained by the community, offers additional features and optimizations for gaming on Linux, providing users with an improved gaming experience and access to the latest enhancements in gaming compatibility.

Features of Proton-GE-Custom
Features of Proton-GE-Custom

Features of Proton-GE-Custom

Proton-GE-Custom, an enhanced version of Valve’s Proton, offers a range of features and improvements that enhance the gaming experience on Linux:

Improved Performance and Compatibility

Proton-GE-Custom includes various patches and optimizations that improve the performance and compatibility of many Windows games on Linux. These enhancements are not available in the standard Proton release, allowing users to enjoy a smoother and more reliable gaming experience.1

Additional Patches and Optimizations

Proton GE Custom contains additional patches and optimizations that are not present in the official Proton release. These include fixes for specific games, improvements to media playback, and other enhancements that address known issues or provide better overall functionality.1

Bleeding-Edge Features

Proton GE Custom is focused on providing users with the latest and most up-to-date features and improvements. The project regularly incorporates the latest changes from the upstream Wine and Valve Proton projects, ensuring that users have access to the latest advancements in gaming compatibility and performance on Linux.1

Installing Proton-GE-Custom on Arch Linux 

To install Proton GE Custom on Arch Linux via the Arch User Repository (AUR), follow these steps:

Using AUR Helper Tools for Installation

  1. Update System: Before installing any packages, ensure your system is up to date by running:
  2. bash

sudo pacman -Syu

  1. Install AUR Helper: Choose an AUR helper tool like yay or paru for easier installation. If you don’t have one installed, you can do so by following the AUR helper’s installation instructions.

Installing Proton-GE-Custom

  1. Clone the Repository: Use the following command to clone the Proton-GE-Custom repository from the AUR:
  2. bash

git clone

  1. Build and Install: Navigate to the cloned directory and build the package using the AUR helper tool. For example, with yay:
  2. bash

cd Proton GE Custom

yay -S Proton GE Custom

  1. Follow Installation Prompts: During the installation process, you may be prompted to confirm dependencies or make choices. Follow the on-screen instructions.

Troubleshooting Tips

By following these steps and utilizing AUR helper tools, you can easily install Proton-GE-Custom on Arch Linux and enjoy enhanced gaming compatibility and performance.

Launching Windows Games with Proton-GE-Custom 

Configuring Proton-GE-Custom for Windows Games 

To launch Windows games using Proton GE Custom, you need to configure the tool and set up the environment variables. Here’s a step-by-step guide:

Setting Environment Variables

  1. WINEUSERNAME: Set this variable to your desired username for saves. This ensures that your save games are recognized and accessible across different platforms.
  2. bash

export WINEUSERNAME=”your_username”

  1. GST_PLUGIN_SYSTEM_PATH_1_0: This variable is necessary for media foundation to work in Lutris. Set it to the full gstreamer 64 and 32-bit library paths within the Proton-GE folder.
  2. bash

export GST_PLUGIN_SYSTEM_PATH_1_0=”/home/gloriouseggroll/.steam/steam/compatibilitytools.d/Proton-5.11-GE-2-MF/dist/lib64/gstreamer-1″

  1. WINE_GST_REGISTRY_DIR: Set this variable to the gstreamer registry inside your prefix. This ensures that your gstreamer settings are recognized and used correctly.
  2. bash

export WINE_GST_REGISTRY_DIR=”/home/gloriouseggroll/Games/origin/gstreamer-1.0/”

Launching Games

  1. Restart Steam: Ensure that Steam is restarted after setting up the environment variables to apply the changes.
  2. Enable Proton-GE-Custom: In the Steam settings, go to the “Compatibility” tab and select the desired Proton version.
  3. Launch the Game: Right-click on the game in Steam and select “Properties.” In the “Compatibility” tab, check “Force the use of a specific Steam Play compatibility tool” and select the desired Proton version. Then, launch the game.

Troubleshooting Common Issues


Proton GE Custom, an enhanced version of Valve’s Proton, offers a powerful solution for running Windows games on Linux. With its improved performance, additional patches and optimizations, and focus on the latest bleeding-edge features, Proton-GE-Custom provides Linux users with a superior gaming experience.

By leveraging the Arch User Repository (AUR) and utilizing AUR helper tools, Arch Linux users can easily install and configure Proton GE Custom on their systems. The step-by-step guide provided in this article covers the installation process, setting up the necessary environment variables, and launching Windows games using this powerful compatibility layer.

Addressing common troubleshooting issues, such as library conflicts and dependency errors, ensures that users can overcome any challenges they may face and enjoy a seamless gaming experience on their Linux machines.


How is Proton-GE-Custom different from standard Proton?

Proton-GE-Custom includes additional patches, optimizations, and bleeding-edge features not found in the official Proton release, offering users an enhanced gaming experience on Linux.

How can I install Proton-GE-Custom on Arch Linux?

You can install Proton-GE-Custom on Arch Linux via the Arch User Repository (AUR) using AUR helper tools like yay or paru. Simply follow the provided installation steps for a seamless setup.

What are some common environment variables used with Proton-GE-Custom?

Common environment variables used with Proton GE Custom include WINEUSERNAME for save game compatibility, GST_PLUGIN_SYSTEM_PATH_1_0 for media foundation support, and WINE_GST_REGISTRY_DIR for gstreamer settings.

How do I launch Windows games using Proton-GE-Custom?

To launch Windows games with Proton-GE-Custom, configure the tool, set up the necessary environment variables, restart Steam, enable Proton GE Custom in Steam settings, and launch the game through Steam with the selected Proton version.

What should I do if I encounter issues while using Proton-GE-Custom?

If you encounter issues such as library conflicts, dependency errors, or build errors, refer to the troubleshooting tips provided in the guide. Checking for correct library versions, ensuring dependencies are met, and consulting the AUR package comments can help resolve common issues.

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