Super Mario World ROM Download for Super Nintendo (SNES) 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 Super 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 All-Stars, Super Mario All-Stars + Super Mario World and Super Mario Kart as shown below. Super Mario World works on all your devices in high quality.