Hi OkAtChess, we released a round 1 optimization update today, with more to come in the next few weeks, please try out the newest build and let me know if it improves performance for you. https://hellver.fandom.com/wiki/Home#Release_Notes_-_v0.20_-_May_31st
If you would like a steam key to help test, join the discord link from https://hellver.com/ and message me (ansatz)