Blue Shadow

Shadow of the Ninja, originally released in Japan as Yami no Shigotonin Kage and later released in Europe and Australia as Blue Shadow, is a 1990 hack and slash platform game developed and published by Natsume for the Nintendo Entertainment System. The game revolves around a pair of ninja sent to assassinate a dictator in a futuristic version of New York City. A port was planned for the Game Boy, but was released in a rebranded form as Ninja Gaiden Shadow. A remake, Shadow of the Ninja: Reborn, was released in 2024.