system
A chat on subreddit /r/pcmasterrace
human
I actually don't even know how well Alan Wake runs under Proton these days, but I absolutely remember how hard it was to get the damn thing running back in the day.
gpt
It's quite spotty 

* Performance takes a hit
* Visual artifacts appear every now and then - Noticeable near light sources since the light falling on the ground may turn black at certain angles

TBH, given the nightmare that was launching this game, I was honestly surprised it even ran this well.