Ninja Gaiden ROM Download for Nintendo (NES) on Emulator Games. Play Ninja Gaiden game that is available in the United States of America (USA) version only on this website. Ninja Gaiden is a Nintendo emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Teenage Mutant Ninja Turtles 3, Ninja Gaiden 2 - The Dark Sword Of Chaos and Teenage Mutant Ninja Turtles as shown below. Ninja Gaiden works on all your devices in high quality.