

ProtonUp-Qt is a community-maintained GUI tool based on AUNaseef's CLI tool. Protonup is written in Python and maintained by AUNaseef in the Pypi project directory. Protonup is a command-line tool that installs, manages, and updates ProtonGE. You can view Glorious Eggroll's Github repo for ProtonGE here. Glorious Eggroll tests newer games in Proton, and often implements bug fixes ahead of Valve's official releases. ProtonGE is a popular fork created by Glorious Eggroll. If a game is not working with mainline or experimental versions of Proton, consider trying a community-contributed fork.

Valve's official Proton release may not provide optimal compatibility for specific games, or community contributors may discover improvements not yet implemented by Valve. Use Protonup to Manage Custom Proton Versions Steam -> Settings -> Steam Play -> Check the box for "Enable Steam Play for supported titles AND "Enable Steam Play for all other titles" as pictured below: Use the Protondb database to confirm if a specific game has been tested and verified working using Proton. It's based on the WINE project with some tweaks and additions by Valve. Proton is a compatibility layer tool which enables support for some Windows games on Linux. It can make system wide changes so be sure to read everything before entering 'Y'. IMPORTANT NOTE: Be very careful when using sudo with ANY Command.
