To fix lag and stuttering in , you must address the game's incompatibility with modern multi-core processors and its poor polling of USB HID devices. Top Effective Fixes
: You can create a batch file or use a launcher command to force Steam or the game to start with limited cores automatically. 2. Disable HID-Compliant Devices (Fix for Low FPS) prototype 2 lag fix work
You can force Steam to launch with a specific affinity, which the game will then inherit. Change your Steam shortcut target to: cmd /C start "steam" /affinity 0xff "C:\Program Files (x86)\Steam\steam.exe" . 3. Use the Community "Prototype2Fix" Mod Prototype 2 To fix lag and stuttering in