Mortal Kombat 4 ROM Download for Nintendo (NES) on Emulator Games. Play Mortal Kombat 4 game that is available in the United States of America (USA) version only on this website. Mortal Kombat 4 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 Mortal Kombat Trilogy, Mortal Kombat 3 and Mortal Kombat 3 - Special 56 Peoples as shown below. Mortal Kombat 4 works on all your devices in high quality.