Applying a "Low End PC Config File" for Prototype 2 is a popular way to make this notoriously unoptimized port playable on older hardware . While the game lacks extensive in-game settings, these custom configuration files often force lower graphical parameters than the menu allows .
Set this to a lower resolution (e.g., 1280x720 ) if the in-game menu doesn't offer it. prototype 2 low end pc config file
to limit the system to 4 cores is a common fix to prevent startup crashes. The 60 FPS Cap Performance Review Applying a "Low End PC Config
Some versions of config.ini will regenerate missing lines. Add them manually under [Graphics] section. prototype 2 low end pc config file