Quadrangle (19xx)(-)[QUADRAN Start] ROM Download can be obtained free for BBC Micro on EmuGames.net only. Play emulator game in English for the USA region. Quadrangle is a BBC ROM that you can download to your computer or play online within your browser. You can also download roms such as Star Fire Shootable and F1lapj that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.