Atelier Sophie: The Alchemist of the Mysterious Book (ソフィーのアトリエ ～不思議な本の錬金術士～, Sofii no Atorie ～Fushigina hon no Renkinjutsushi～) is a Japanese role-playing video game developed by Gust. It was originally released in Japan in 2015 before being translated into English and re-released in the summer of 2016 in the United States and Europe.