Mario Tennis 64 (Nintendo 64, Japanese Import)

Mario Tennis, known in Japan as Mario Tennis 64, is a Nintendo 64 sports video game. It features Mario and his friends playing tennis, and is the first direct installment in the Mario Tennis series and the follow-up to Mario's Tennis for the Virtual Boy. This game introduced the character Waluigi as a rival of Luigi, as well as re-introducing Princess Daisy and Birdo into the Super Mario franchise. It is compatible with its Game Boy Color counterpart via Transfer Pak.