IntelliVoice BIOS (1981) (Mattel).int ROM Download can be obtained free for Intellivision on EmuGames.net only. Play emulator game in English for the USA region. IntelliVoice BIOS .int is a Intellivision ROM that you can download to your computer or play online within your browser. You can also download roms such as Family Computer Disk System and BS Satellaview BS-X that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.