Artifacts and other problems on nuke

[dom1torii]

Your system information

• System information from steam (Steam -> Help -> System Information) in a gist:

https://gist.github.com/dom1torii/461395c9095b1851b820bfa98af0ecd2

• Have you checked for system updates?: [Yes/No]
  Yes

Please describe your issue in as much detail as possible:

Nuke has many artifacts, "lighting leaks", etc.
Except these screenshots, there are many more small things like this
(Circle on last screenshot follows you around this room)

Steps for reproducing this issue:

1. Open the game
2. Load nuke

[dom1torii]

I believe last update tried to fix this, but caused even more of this stuff