NFL Football (1978) (Mattel).int ROM Download can be obtained free for Intellivision on EmuGames.net only. Play NFL emulator game in English for the USA region. NFL Football .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 NFL Street 3 and Madden NFL 07 that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.