Mario Power Tennis is a popular N64 tennis game that has been updated with powerful shots, new power-ups, and wild environments. Players can join characters from the Mushroom Kingdom including Mario, Donkey Kong, Bowser, and Peach on various courts inspired by Nintendo games. Each character has their own special strengths that can be used for offense or defense. The game offers single-player challenges to build up skill points as well as four player matches to practice skills.