Jimmy Neutron - Boy Genius ROM Download can be obtained free for Gameboy Advance on EmuGames.net only. Play emulator game in English for the USA region. Jimmy Neutron Boy Genius is a GBA ROM that you can download to your computer or play online within your browser. You can also download roms such as Jimmy Neutron L'Attaque Des Twonkies and Nickelodeon Jimmy Neutron Boy Genius Attack Of The Twonkies that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.