I had the same issue, In nvidia control panel under manage 3d settings I added it as a program to customize and changed multi-frame sampled AA to off and it fixed the problem for me
Hey! Guy-who-made-it here. Can you hit me up on Discord? I have a guess as to what might make it work
This is the server, just ping me when you join with a screencap of this comment
https://discord.gg/mPph2qw3