Contra ROM Download for MAME 037b11 (MAME) on Emulator Games. Play Contra game that is available in the United States of America (USA) version only on this website. Contra is a MAME 037b11 emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Contra III - The Alien Wars, Contra Force and Contra - Hard Corps as shown below. Contra works on all your devices in high quality.