Adventures of Jimmy Neutron Boy Genius, The: Jet Fusion ROM Download for Gameboy Advance (GBA). Adventures of Jimmy Neutron Boy Genius, The: Jet Fusion game is available to play online and download only on Roms Games. Adventures of Jimmy Neutron Boy Genius, The: Jet Fusion ROM for Gameboy Advance download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.