OS V1.0-high (1981)(Acorn) ROM Download can be obtained free for Acorn 8 bit on EmuGames.net only. Play emulator game in English for the USA region. OS V1.0-high is a Acorn 8 bit ROM that you can download to your computer or play online within your browser. You can also download roms such as Ben 10 Ultimate Alien Cosmic Destruction and Super Mario Advance 4 Super Mario Bros. 3 that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.