Ganso!! Yanchamaru (元祖!! ヤンチャ丸,Ganzo!! Yanchamaru?, lit. "Original!! Yanchamaru") is an action video game developed and published by Irem and released for the Game Boy on July 11, 1991 in Japan only. It is a portable sequel is a unique game and not a port of one of the existing Kid Niki/Yanchamaru titles.
