The base game misreads VRAM on modern cards. If you have a card with 1GB or 2GB of VRAM (like a GTX 750 Ti, GT 1030, or integrated Intel HD graphics), the game might think you have none and limit textures severely. This forces the game to assume 2GB VRAM, unlocking higher performance ceilings and allowing you to turn settings down properly.
: Placing specific d3d9.dll files (either windowed or fullscreen versions) into your game directory can help stabilize the frame rate.
Users often report significant FPS gains, sometimes doubling or tripling frame rates on systems with integrated graphics like Intel UHD 620 .
: Set Decimal value to 1024 (or 800 for ultra-low spec). ResolutionHeight : Set Decimal value to 768 (or 600 ). Shadows : Set to 0 to completely disable shadow rendering. AntiAliasing : Set to 0 to turn off edge smoothing. Fixing the Infamous Steam/Modern PC Lag
Locate any listings named .
file and using specific launch arguments to bypass engine limitations. 1. Locate Your Configuration File
Lowering the number of moving NPCs and cars drastically reduces the load on your CPU.
C:\Users\[YourUserName]\Documents\Activision\Prototype 2\
, you can significantly improve performance on a low-end PC by modifying launch arguments and using community-developed fix files. 1. Steam Launch Options (Resolution Optimization) prototype 2 low end pc config file
Before you edit anything, right-click config.xml , select Properties , and uncheck "Read-only." If you don't do this, Windows will block your changes. After editing, you can set it back to Read-only to prevent the game from overwriting your tweaks.
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AllowCustomResolutions = true
Paste the following string to force a stable refresh rate and low-overhead resolution: RESOLUTION=1280x720@60 Use code with caution. The base game misreads VRAM on modern cards
Disabling vertical synchronization eliminates input lag and prevents the game from capping your frame rate artificially low.
Paste the following commands to help force lower settings: -noprecache -nomemrestrict -norestrictions -lowquality Launch the game. 3. The "Prototype2Fix" Mod (FPS & Crash Fix)
The configuration.config handles graphics. The profile.bin handles input and resolution scaling. Because Prototype 2 has negative mouse acceleration on PC, we must edit this.
: The engine performs poorly above 60 FPS. It is highly recommended to use an external tool like Nvidia Inspector to lock the game to exactly for smooth gameplay. 4. Recommended In-Game "Low" Settings After resetting your profile.bin : Placing specific d3d9