Gussun Oyoyo S ROM Download for Sega Saturn (Saturn) on Emulator Games. Play Gussun Oyoyo S game that is available in the United States of America (USA) version only on this website. Gussun Oyoyo S is a Sega Saturn emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Sonic Jam, Sonic R (Europe) and Resident Evil as shown below. Gussun Oyoyo S works on all your devices in high quality.