M4supst__at ROM Download can be obtained free for MAME on EmuGames.net only. Play emulator game in English for the USA region. M4supst__at is a MAME ROM that you can download to your computer or play online within your browser. You can also download roms such as They Stole A Million .dsk and Science Topics Electromagnetic Spectrum that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.