Ganso JaJaMaru-kun

Ganso JaJaMaru-kun (元祖じゃじゃ丸くん) is a remake of Ninja JaJaMaru-kun released in Japan on April 15, 1999 by Jaleco for the WonderSwan. It is an enhanced version of the original Famicom game with better control, though it uses monochrome graphics due to being an original WonderSwan game. (wikipedia.org)