Because the game is built on the older RPG Maker XP engine, framedrops and stuttering are relatively common and cannot be fixed with a single toggle.
If the game is still unplayable (slideshow FPS in caves or rain), you need to modify the game engine itself. pokemon insurgence lag fix
Go to the tab, right-click Game.exe , and select Set affinity . Uncheck "All Processors" and select only "CPU 0" . Because the game is built on the older