If you have the English version of Mafia II and want to add German voices, follow this step-by-step guide. Disclaimer: Modifying game files may violate EULAs for online leaderboards (though MAFIA II multiplayer is long dead). Back up your files first.
Here’s a concise guide to finding and installing the for Mafia II (the classic 2010 version, not the Definitive Edition, unless specified). mafia 2 german language pack
Create a new folder named exactly if it does not already exist. If you have the English version of Mafia
If the language pack is installed but the game remains in English, you might need to force the language change through configuration files Steam Community . not the Definitive Edition
: These packs typically translate the menu, subtitles, and full voice acting.