Finding a full Russian voice localization ("rusifikator zvuka") for the original Prototype (2009) can be challenging because the game was never officially released with Russian voice acting; it only received official text and subtitle translations.
Русификатор текста от "1С" для Prototype + PrototypeFix skachat prototype rusifikator zvuka
Many users also install the PrototypeFix (often bundled with the localization) to resolve modern hardware issues like crashes on startup and low frame rates. Resolving Audio Issues The official version of Prototype distributed by Activision
Run the installer and point it to your game's installation directory (typically Steam\steamapps\common\Prototype ). Obtain the "Prototype_Rus
The official version of Prototype distributed by Activision (including the Steam version) does not support Russian audio.
If your audio is too low, you may not need a new localization. Instead, check for a "Sound Patch" or "Audio Fix" on community forums like Reddit or Nexus Mods that adjusts the game's volume levels for newer sound drivers.
Obtain the "Prototype_Rus.exe" file from a trusted community source like the Prototype Russian Patch on Steam.