windowed mode reduces the graphical strain significantly compared to Fullscreen or Large modes.
For best results, combine these fixes:
Before fixing lag, it helps to understand why Insurgence struggles: pokemon insurgence lag fix
: If you experience massive stuttering or missing graphics, you may have an incomplete extraction. Ensure your Graphics folder contains all 17 subfolders ; if not, re-extract the core files using 7-Zip or WinRAR. 4. Advanced Fixes for Steam Deck/Linux combine these fixes: Before fixing lag