Gunstar Heroes ROM Download for Game Gear on Emulator Games. Play Gunstar Heroes game that is available in the United States of America (USA) version only on this website. Gunstar Heroes is a Game Gear emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Gunstar Super Heroes, Gunstar Future Heroes and Gunstar Heroes (Sample) as shown below. Gunstar Heroes works on all your devices in high quality.