Limbs and heads cannot be severed from enemies during combat.
Some of Sgt. James Heller’s more "creative" finishing moves may be censored or shortened. How to Install the Prototype 2 Uncut Patch prototype 2 uncut patch
If your game is stuck in German or Russian, you may need to edit the Windows Registry at HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Activision\Prototype 2 and change the "language" value to 69 for English. Common Issues and Modern Fixes Limbs and heads cannot be severed from enemies during combat
In certain territories, Prototype 2 was released with significant alterations: prototype 2 uncut patch
Regional versions (like the German DE version) are often locked to a specific language, lacking the original English voiceovers or text options.