The biggest rival to the NES is the Sega Genesis with breakout games such as Sonic the Hedgehog, Streets of Rage 2, Shinobi III: Return of the Ninja Master, Comix Zone, Earthworm Jim and others.
You may remember SEGA announced it's reviving ... It looks like you'll have lots of ninja skills to master as you jump, flip, and slash your way through the game. Details are thin on the ground ...
Despite Sega's acknowledgment ... just like the NES games. The apparent differences between the Shinobi and Ninja Gaiden reboots are a net positive for fans of old-school action platformers ...