Everything tested. Both Gallium Nine and normal mode.
What does not
One time it hanged on exit from start screen. Nothing was corrupted though. Could not reproduce the issue.
What was not tested
Playing the game from start to finish.
Actually wine-1.9.11-162-g0c0c86a. R9 Nano with open amdgpu driver, git version of Mesa from 2016-06-03.
|Gentoo Linux x86_64
|Jun 08 2016
|Debian GNU/Linux 8.x "Jessie"
|Oct 23 2015