Disable Settings → Controls → Analog Limiter . Also, turn off “VSync” in Graphics settings.
If the game stutters during cutscenes, go to Settings → Tools → Developer Tools → Uncompress ISO . This will convert the CSO back to a full ISO, sacrificing space for performance.
Change it from Buffered Rendering to . Note that if textures glitch out, switch it back to Buffered Rendering . Fix 3: Lower Rendering Resolution
Longer extraction times and the risk of file corruption during decompression.