Showtime Championship Boxing is a sports game in which players can train and fight their way through the ranks to become the ultimate boxing champion. In this game, players compete in various boxing matches across different environments such as Chicago, New York, Las Vegas, and Los Angeles, with the ability to unlock new boxers as they progress through the Title Belt Series. It stands out with its use of advanced technology that enhances the boxing experience, including a third-person camera view and full utilization of the Wii Remote and Nunchuk for interactive gameplay, along with multiple game modes like Single Fight, Amateur Belt, and Multiplayer.