Dr. Mario is an online GB game that you can play at Emulator Online. This free Game Boy game is the United States of America region version for the USA. Dr. Mario is a single title from the many puzzle games, arcade games and mario games offered for this console. If you enjoyed playing this, then you can find similar games in the gb games category. Dr. Mario game is from the various retro games on the site, and there are more games like this, including Tetris & Dr. Mario, Super Mario 64 and Dr. Robotnik's Mean Bean Machine.