When you start the intercom, you can press the buttons. If intercom breaks, restart, clicking Green Flag. CYFRAL CCD 2094.1 v2.5 ultimate. Game version V1.4.5 micro:bit scripts version V0.35 (can work incorrectly!) Apartments: 9999 Updates: Added code B100B7273 Added code B25B7456 Added code B41B1410 Added code 85693 (9753 removed) Added code B101B6242 You have own keys! Flats up to 9999 Added error cycle (be careful, after 5 errors, intercom going to error cycle) Some errors have removed