Guess_a_Number_JR_Games ROM Download can be obtained free for Atari 800 on EmuGames.net only. Play emulator game in English for the USA region. Guess_a_Number_JR_Games 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 Fruit Search and Manic Miner that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.