CPU: Intel(R) Core(TM) i7-4765T RAM: 16G SSD: KINGSTON SUV300S37A120G
Video: NVIDIA GeForce GTX 960 4G (nvidia-current 396.54)
OS: MagOS Linux 2016.64
DE: Plasma+compiz-fusion 1680x1050
Proton version: 3.7-8 3.16-4beta

I confirm:

• game works fine, but it hangs on exit and it doesn't save settings