4 Nin Uchi Mahjong [h1] ROM Download for Nintendo (NES) on Emulator Games. Play 4 Nin Uchi Mahjong [h1] game that is available in the United States of America (USA) version only on this website. 4 Nin Uchi Mahjong [h1] 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 Teenage Mutant Ninja Turtles 3, Hayauchi Super Igo and Mahjong (VS) as shown below. 4 Nin Uchi Mahjong [h1] works on all your devices in high quality.