Been looking forward to playing this game and finally got the chance when it came to Linux. Unfortunately the performance is ridiculously bad. The very beginning of the game is somewhat promising as I have the settings maxed at 1280 x 720, but after the Heaven area my fps is shot down. This was fixed by switching from fullscreen to windowed mode, but eventually even that didn't work. Changing the settings to the lowest possible sometimes helped, but that also didn't work later on. Every time I entered a new area after a loading screen my fps would drop. There would also be cutscenes that were skippable, but would only display white. The game became completely unplayable during the Hanza Compound area. The game is basically a slideshow at this point and I'm at the absolute lowest settings. I even downloaded the latest version (as of this post is 20993) in hopes something would be fixed, but it's still unplayable.

My pc specs are:
Core i5 2500k @4.5Ghz
16 GB Ram
ATI 7790 1GB
OS: Solus (Linux)
OpenGL version string: 3.1 Mesa 18.1.1