Gakken Mu Henshuubu Kanshuu: Choujou Genshou Research File

Gakken Mu Henshuubu Kanshuu: Choujou Genshou Research File is a paranormal-themed "miscellaneous" investigation game released exclusively in Japan for the Nintendo DS on 11 September 2008. Developed and published by Global A, the title was created under the supervision of the editorial department of Mu, Japan's most famous magazine dedicated to the occult and supernatural.

The game functions as an interactive database and investigation tool for fans of the paranormal. According to GameFAQs, it is categorized under "Miscellaneous - General" and typically takes about 7 hours to complete.