Shadow of the Ninja © 1990 Natsume, Inc.
North American release. Game developed in Japan. See the original Famicom release for more information; "Yami no Shigotonin Kage [Model NAT-JL]"
Description from the back cover:
It's the year 2029 A.D. and a madman controls the largest city in America. When reports have reached the Emperor Garuda, he feels an inner chill, for he knows the invaders are Ninja!
GAME ID: NES-27-USA
Released in December 1990 in the USA.
Game's ROM.