<Tr> <Th> Genre (s) </Th> <Td> Racing </Td> </Tr> <Tr> <Th> Mode (s) </Th> <Td> Single - player, multiplayer </Td> </Tr> <P> Mario Kart Wii (マリオ カート Wii, Mario Kāto Wī) is a racing video game developed and published by Nintendo for the Wii video game console . It is the sixth installment in the Mario Kart series, and was released worldwide in April 2008 . </P> <P> Like its previous installments of games, Mario Kart Wii incorporates playable characters from the Mario series, who participate in kart races on various race tracks using specialized items to hinder opponents or gain advantages . The game features multiple single - player and multiplayer game modes . Online multiplayer via Nintendo Wi - Fi Connection was available at launch, but was discontinued in May 2014, along with Wii and Nintendo DS games that supported online play . </P>

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