If your operating system is in one of the supported languages then the game will start in your language automatically If not (or you want to change language) go to your steam library, right click "Bunny Factory", select Properties. On the tab General there is a field "Launch Options". Type there: "-culture="your language"" -culture="en" - for English -culture="fr" - for French -culture="de" - for German -culture="ru" - for Russian -culture="ja" - for Japanese -culture="es" - for Spanish -culture="it" - f...