Mega Man 3 is an online NES game that you can play at Emulator Online. This free Nintendo game is the United States of America region version for the USA. Mega Man 3 is a single title from the many platform games, arcade games and mega man games offered for this console. If you enjoyed playing this, then you can find similar games in the nes games category. Mega Man 3 game is from the various retro games on the site, and there are more games like this, including Pokemon Mega Emerald X & Y, Sonic Mania Edition and Pokemon Omega Ruby.