Top Gun - The Second Mission ROM Download for Nintendo (NES) on Emulator Games. Play Top Gun - The Second Mission game that is available in the United States of America (USA) version only on this website. Top Gun - The Second Mission 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 Top Gun, Mission Cobra and Top Gun (VS) as shown below. Top Gun - The Second Mission works on all your devices in high quality.