You can force specific performance parameters by right-clicking the game in Steam, selecting , and entering commands into the Launch Options field:

Below is a configuration geared toward maximizing performance on integrated graphics or weak CPUs.

ForceBorderlessWindow = true

The game's physics are inherently tied to its framerate, which can cause issues for both low-end and high-end PCs. One common bug in Prototype 2 is "character drift," where your character will keep sliding or running after you release a movement key. This is often caused by the FPS going above 60. Conversely, the FPS dropping too low can cause the character to feel heavy and unresponsive.

If you prefer not to use mods, you can use in Steam or a shortcut to force specific settings:

Optimizing Prototype 2 for Low-End PCs: The Ultimate Config File Guide

@echo off echo Killing unnecessary Windows services... taskkill /f /im explorer.exe taskkill /f /im SearchIndexer.exe taskkill /f /im Teams.exe echo Setting game to high priority... start /high Prototype2.exe -windowed -width 800 -height 600 echo Game launched. To get taskbar back, type 'explorer' after quitting. pause

Launch the game. Even though you edited the .ini , you should verify the settings in the menu.

Download DXVK (DirectX to Vulkan wrapper) for extremely old GPUs. Place d3d11.dll and dxgi.dll in the game folder. This converts DX11 to Vulkan, which runs faster on Intel GPUs than Microsoft’s native DX11 driver.