Mortal Kombat I & II ROM Download for Gameboy (GB) on Emulator Games. Play Mortal Kombat I & II game that is available in the United States of America (USA) version only on this website. Mortal Kombat I & II is a Gameboy 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, Pokemon Red-Blue 2-in-1 (Unl) and Street Fighter II as shown below. Mortal Kombat I & II works on all your devices in high quality.