Moon Whistle is a Japanese language freeware role-playing video game created with RPG Tsukūru 95. Mainly made by Kōichirō Takaki, also known as Kannazuki Sasuke, this game involves an adventure of a five-year-old kindergartner in a pseudo-Japanese city of the 1980s and 1990s.
In 2011 an updated version was released called Moon Whistle XP.
