M4ttdia__m ROM Download can be obtained free for MAME on EmuGames.net only. Play emulator game in English for the USA region. M4ttdia__m is a MAME ROM that you can download to your computer or play online within your browser. You can also download roms such as Cobra .dsk and QuikMon V1.10 that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.