After the success of Banjo-Kazooie, Mayles did additional design on Donkey Kong 64, which was based on the concept of Mayles's project. Then, Mayles directed the long-awaited sequel, Banjo-Tooie, which was even more acclaimed than its predecessor. After Banjo-Tooie, Mayles did design on Conker's Bad Fur Day and Star Fox Adventures.