Sometimes, the Steam installation fails to download the correct English voice and text files. Restoring English: The Registry Edit Method
Before downloading external files, check if Steam can handle it for you. Right-click in your Steam Library. Select Properties and navigate to the Language tab. Prototype 2 Pc English Language Pack
Start Prototype 2 . Play the opening tutorial. If you hear Heller yelling about "bastards" during the helicopter crash, it worked. If you hear silence, proceed to the troubleshooting section below. Sometimes, the Steam installation fails to download the