Ninja Gaiden Trilogy ROM Download for Super Nintendo (SNES) on Emulator Games. Play Ninja Gaiden Trilogy game that is available in the United States of America (USA) version only on this website. Ninja Gaiden Trilogy is a Super 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 IV - Turtles In Time, Tetris Battle Gaiden and Indiana Jones - Trilogy as shown below. Ninja Gaiden Trilogy works on all your devices in high quality.