Chrono Trigger doesn't seem to do multithreading well, setting the system to 3 cores will clear up the stutter issue. Custom Proton: GE-Proton7-42 Distro:SteamOS Holo Kernel:5.13.0-valve10.1-1-neptune-02144-g7fffaf925dfb RAM:15 GB GPU Driver:4.6 Mesa 22.0.0-devel (git-676ccacebc) ...