Proton Experimental

Valve's compatibility layer for Linux gaming

How Proton Experimental connects to other topics

developed by Valve

available on Steam

available on Steam Deck

Articles Mentioning Proton Experimental

Proton Experimental Updates: Fixes for Path of Exile, Guild Wars 2, and More

Proton Experimental, enhancing Steam's Linux compatibility, has released updates with fixes for several popular titles. Path of Exile 1 & 2, Guild Wars 2, and the classic Call of Duty (2003) are among the games benefiting from improved compatibility. These updates aim to enhance the gaming experience for Linux users.

Jun 11, 2026