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