Dr Mario ROM Download for Nintendo (NES) on Emulator Games. Play Dr Mario game that is available in the United States of America (USA) version only on this website. Dr Mario 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 Double Dragon 2 - The Revenge, Super Mario Bros 3 and Double Dragon as shown below. Dr Mario works on all your devices in high quality.