Mortal Kombat II ROM Download for Game Gear on Emulator Games. Play Mortal Kombat II game that is available in the United States of America (USA) version only on this website. Mortal Kombat II is a Game Gear 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 3, Shinobi II - The Silent Fury and Mortal Kombat as shown below. Mortal Kombat II works on all your devices in high quality.