Contra ROM Download for Nintendo (NES) on Emulator Games. Play Contra game that is available in the United States of America (USA) version only on this website. Contra 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 Contra Force, 100-in-1 Contra Function 16 [a1] and ZZZ_UNK_Super Contra 7 as shown below. Contra works on all your devices in high quality.