Banjo-Kazooie is a platform action-adventure game developed by Rare and published by Nintendo, first released for the Nintendo 64 in 1998. It follows Banjo the bear and his breegull partner Kazooie, who live on the fictional Spiral Mountain. When the evil witch Gruntilda kidnaps Banjo's sister Tooty to steal her beauty via a transformation device, players control the pair across multiple levels, solving puzzles, collecting items, and defeating Gruntilda to rescue Tooty. Praised for its vibrant visuals, creative level design, and humorous tone, it became one of the best-selling Nintendo 64 games.