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

I confirm:

• [x] that pressing the Play button in the Steam client is sufficient.
• [ ] that runtime config options are necessary to run the game.
• [x] that no workarounds other than the mentioned ones are necessary.

Issues

• [x] I haven't experienced any issues.