--set /Config/CONFIG/isLowViolence 1
--set /Config/CONFIG/isLowResParticles 1
--set /Config/CONFIG/maxFpsValue 200
--set /Config/CONFIG/WeaponZScale -1


appling these are quite similar to the newschool id games (like wolf). you can use these in the steam launch options. only a space required beetween them.

source on reddit:
https://www.reddit.com/r/QuakeChampions/comme..._on_steam/

for the cheap fags playing in f2p
https://github.com/syncore/qclauncher