Protondb says to use proton 7.x, but the rest doesn't seem to happen to anyone else:
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To add, downgrading the version helps some games. River City Girls needs version 5.x to get the cutscenes, iirc.
double check the GPU drivers are up to date and not using a more stable out of date version
is it a purchased or pirated?
if pirated using the custom game launcher portproton could be what you are looking for
Ubuntu 24.04, Debian 12, Linux Mint 21.x, Deepin
if it is purchased you may have to use something like Arch that has more up to date bleeding edge rather than a stable release such as Ubuntu