ZZZ-UNK-hires-dr ROM Download can be obtained free for Sinclair ZX81 on EmuGames.net only. Play emulator game in English for the USA region. ZZZ-UNK-hires-dr is a Sinclair ZX81 ROM that you can download to your computer or play online within your browser. You can also download roms such as Hyokkori Hyoutan Jima and Kim 1 that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.