Mega Man 64 ROM Download for Nintendo 64 (N64) on Emulator Games. Play Mega Man 64 game that is available in the United States of America (USA) version only on this website. Mega Man 64 is a Nintendo 64 emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Spider-Man, Rayman 2 - The Great Escape and Bomberman 64 as shown below. Mega Man 64 works on all your devices in high quality.