In regions such as Europe where languages other than English are spoken, the Darth Vader Voice Changer's sounds were modified to fit the language demographic. However, rather than replacing the movie phrases with foreign-language versions, the button that plays back the phrases in the U.S. version simply plays back the same breathing sounds activated by the adjacent button in both the European and U.S. versions.
This proved to be a popular toy. and was repackaged for later use. In early 2005 it was sold in a revised box for the movie Revenge of the Sith.