M.U.S.C.L.E. ROM Download for Nintendo (NES) on Emulator Games. Play M.U.S.C.L.E. game that is available in the United States of America (USA) version only on this website. M.U.S.C.L.E. is a Nintendo emulator game that you can download to your computer or play online within your browser. M.U.S.C.L.E. works on all your devices in high quality.