The Cyber Shinobi > Sega Master System

Become a futuristic ninja deeply intertwined in technology in the amazing The Cyber Shinobi. A cyber terrorist group called Cyber-Zeed is on a deadly mission to launch its massive stockpiles of plutonium at locations around the world, and you must take the part of Joe Musashi grandson, who is also named Joe, and fight the terrorists wherever they appear! Hunt down the terrorists and defeat the minions in different locations from around the world until you organization has been wiped out and the weapons back in safe hands.

If you liked this amazingly cool title from the retro Sega Master System system and you'd like to hit other similar games with a badass vibe then why not take a shot at Diablo, Duke Nukem - Time to Kill and the fantastic Mega Man X4.