Metal Mech ROM Download for Nintendo (NES) on Emulator Games. Play Metal Mech game that is available in the United States of America (USA) version only on this website. Metal Mech 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 Metal Gear, Mechanized Attack and Metal Storm as shown below. Metal Mech works on all your devices in high quality.