Mario Tennis (マリオテニス, Mario Tenisu) is a sports game developed and published by Nintendo for the Nintendo 64 in 2000. The game is the fifth installment in the Mario Tennis series and features a variety of characters from the Mario universe, including Mario, Luigi, Wario, Waluigi, Donkey Kong, Princess Peach, Yoshi, Bowser, and Toad. Players can choose from a variety of game modes, including singles, doubles, and tournament play. The game also features a variety of court surfaces, power-ups, and special moves. Players can also customize their characters with different outfits and accessories. Mario Tennis is a fast-paced and exciting game that provides hours of entertainment for all ages.