ZZZ_UNK_FC6023X ROM Download can be obtained free for Nintendo on EmuGames.net only. Play emulator game in English for the USA region. ZZZ_UNK_FC6023X is a NES ROM that you can download to your computer or play online within your browser. You can also download roms such as Race Drivin' and Ling Rise that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.