Going into more details, Windows games with no Linux version currently available can now be installed and run directly from the Linux Steam client, complete with native Steamworks and OpenVR support. DirectX 11 and 12 implementations are now based on Vulkan, resulting in improved game compatibility and reduced performance impact, and both fullscreen and gamepad support have been improved.

The initial set of supported games that Valve is enabling with this initial Beta release is the following one (Valve will enable more titles in the near future, however users can also try playing non-whitelisted games using an override switch in the Steam client):