The non-player characters in the game were also created using the Mii Channel toolset. Miis saved on the Wii will appear in the crowd during bowling games and as members of human-controlled teams in baseball. Wii Sports is the first Wii title to use this feature. The in-game characters are taken from the Wii's Mii Channel, which allows the user to create a Mii (a customized avatar) that can be imported into games that support the feature. Two people playing boxing the Wii Remote and Nunchuk are used here to control punches. Due to their turn-based nature, golf and bowling support hotseat multiplayer and can be played with just one Wii Remote that can be shared among players. Baseball consists of batting and pitching, with all of the fielding and baserunning handled by the computer. In tennis, player movement is controlled by the game's AI, while the swinging of the racket is controlled by the player. Some aspects of the gameplay are computer controlled. The player moves the remote in a similar manner to how the separate games are played in real life for example, holding and swinging the Wii Remote like a golf club, baseball bat, tennis racket or bowling ball. Boxing utilizes both Wii Remote and Nunchuk gestures to control both of the player's arms. The games use the motion sensor capabilities of the Wii Remote to control the player's dominant arm and/or the appropriate sports equipment it wields. Wii Sports consists of five separate sports games- tennis, baseball, bowling, golf, and boxing-accessed from the main menu. The player uses the Wii Remote to mimic the motion of putting a golf ball in a game of golf.

Another sequel, Nintendo Switch Sports, was released for the Nintendo Switch on April 29, 2022. A sequel, Wii Sports Resort, was released in 2009, while a high-definition remake, Wii Sports Club, was released in 2013 for the Wii U. The game has become a popular means for social gatherings and competitions among players of varying ages. Wii Sports has been featured on television in Wii commercials, news reports, as well as other programming. The title also bears the distinction of being the best-selling Nintendo video game of all time. Selling over 82 million copies by the end of 2017, it is the best selling single-platform game of all time, and fourth best overall. It also received a number of awards, and is considered one of the best video games ever made. Wii Sports was well-received by critics and audiences. The game also features training and fitness modes that monitor players' progress in the sports. The rules for each game are simplified to make them more accessible to new players. Players use the Wii Remote to mimic actions performed in real-life sports, such as swinging a tennis racket. The five sports included are tennis, baseball, bowling, golf and boxing. The game is a collection of five sports simulations, designed to demonstrate the motion-sensing capabilities of the Wii Remote. Wii Sports is available on its own as part of the Nintendo Selects collection of games. It was included as a pack-in game with the console in all territories except Japan, making it the first sports game included with the launch of a Nintendo system since Mario's Tennis for the Virtual Boy in 1995. The game was released in North America along with the Wii on November 19, 2006, and was released in Japan, Australia, and Europe the following month. Wii Sports is a 2006 sports simulation video game developed and published by Nintendo for the Wii video game console.

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