Instructional_Computing_Demonstration_Atari_US ROM Download can be obtained free for Atari 800 on EmuGames.net only. Play emulator game in English for the USA region. Instructional_Computing_Demonstration_Atari_US is a Atari 800 ROM that you can download to your computer or play online within your browser. You can also download roms such as Yakochu and Jockeygpa that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.