Two problems initially: 1) Audio doesn't work . After setting launch option to "WINEDLLOVERRIDES="xaudio2_7=n,b" PROTON_NO_ESYNC=1 STEAM_RUNTIME_HEAVY=1 %command%" the problem is resolved, but with a minor audio distortion sometimes, but not so bad that it ruins the experience. 2) Mouse is hyper-sensitive. This I couldn't fix, so keyboard and mouse is out of the question, but connecting and playing with my old Logitech Dual Action gamepad, the controls work flawlessly. In all, the game is perfectly playable with good performance.