Ganso JaJaMaru-kun

About

Ganso JaJaMaru-kun is a remake of the video game 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

Source: IGDB