They use a gamescope[1] session to achieve this. You could potentially do the same on dekstop, but it's painful. [1] https://github.com/ValveSoftware/gamescope

They use a gamescope[1] session to achieve this. You could potentially do the same on dekstop, but it's painful. [1] https://github.com/ValveSoftware/gamescope https://github.com/ValveSoftware/gamescope