Little Ninja Brothers is an action platformer game released for both Europe and the USA on the NES. Players likely control two ninja brothers, each with unique abilities, and navigate levels filled with enemies and obstacles.  Typical of many NES action games, it probably featured a side-scrolling perspective and a focus on quick reflexes. While information on the specific developer behind the European and USA releases is not immediately available without further research, its history within the NES library is as a typical action platformer release.

Little Ninja Brothers (Europe)

Little Mermaid, The (USA)