Ultennis ROM Download can be obtained free for MAME on EmuGames.net only. Play emulator game in English for the USA region. Ultennis is a MAME ROM that you can download to your computer or play online within your browser. You can also download roms such as Unou Kaihatsu Series 8 Dolucky No O-Ekaki House and Simple DS Series Vol. 34 The Haisha-San that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.