The best way to improve performance on low-end machines is the Prototype2Fix mod available on Nexus Mods , created by Emu. This acts as a comprehensive config fix. Installation Steps: Download the ZIP file from Nexus Mods.
Because in-game settings are limited, the only real solution is to modify config files and inject performance patches.
Inside, you will find the profile files, usually named profile.bin or a variations of .cfg / .ini files depending on your game version (Steam vs. retail).
Launch the game. This can eliminate the "low FPS" bug on many modern Windows 10/11 systems. Summary Checklist for Low-End PCs: Massive FPS gain Disable HID Devices Removes micro-stutter Set Shadows to Off Reduces GPU load by 40% Add d3d9.dll (DXVK) Smoother frame delivery prototype 2 low end pc config file
Launch the game. You will notice that the micro-stuttering disappears entirely. Step 5: GPU Control Panel Tweaks
If you manage to get into the game menu, use these specific settings to ensure the config stays stable:
%USERPROFILE%\Documents\Activision\Prototype 2\ The best way to improve performance on low-end
Right-click an empty space, select , and click Text Document . Name this new file commandline.txt .
Since the game engine reads initialisation parameters upon startup, creating a commandline.txt file in the main installation directory is the cleanest way to force the engine into low-overhead mode.
If you have a very weak GPU (Intel HD 4000 series or older), you want to run the game at 720p (1280x720) or even 800x600 to get decent frames. This toggle allows those custom low resolutions that the game usually hides. Because in-game settings are limited, the only real
Launch the game. Go to Options -> Video. Since you have the ASI patch installed, ignore the normal restrictions.
The true power of the PrototypeFix mod lies in its configurable prototype_fix.ini file. After installing the mod, this file will be created inside your main Prototype 2 folder ( ...\steamapps\common\Prototype 2\prototype_fix.ini ). You can open it with any text editor.
The most common issues plaguing the PC version include: