MegaGun (1982)(Microvection) ROM Download can be obtained free for Atari 800 on EmuGames.net only. Play emulator game in English for the USA region. MegaGun is a Atari 800 ROM that you can download to your computer or play online within your browser. You can also download roms such as Metal Sight and M1eastqvm that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.