Locate the newly added prototype_fix.ini . You can open this with any text editor to force lower resolutions or disable features like the tickrate limit, which can help stabilize FPS on weaker CPUs. 2. Essential "Command Line" Tweaks
Standard in-game settings often don't go low enough for older hardware. To truly optimize the game, it is recommended to use the found on platforms like Nexus Mods . prototype 2 low end pc config file
[Engine] GraphicsQuality=0 ResolutionSizeX=1366 ResolutionSizeY=768 FullscreenMode=0 vsync=0 Locate the newly added prototype_fix