<Li> 2010: Planet Snoopy opened in place of the Nickelodeon Universe kids area . The Nickelodeon - themed attractions and characters from Hanna - Barbera's Scooby - Doo were completely removed . This change marked the first time since the park's debut in 1972 that Scooby - Doo was not present in the park . </Li> <Li> 2011: WindSeeker, a tower swinger ride manufactured by Mondial, was added to the Coney Mall next to the Vortex . Fast Lane . A Pay - Per - Use attraction called Dinosaurs Alive! debuted at Kings Island as the world's largest animatronic dinosaur park . It is located in Coney Mall near WindSeeker . Dinosaurs Alive 3D was also introduced to the Action Theater presented in Dolby 3D . </Li> <Li> 2012: Soak City was announced on September 2, 2011, as the new name for Boomerang Bay . The Australian theme was dropped and additions included a second, larger wave pool along with sand - volleyball courts and a completely revamped lazy river with new names all around . </Li> <Li> 2014: The longest inverted roller coaster in the world, Banshee, opened in the location previously occupied by Son of Beast and Thunder Alley within the park's Action Zone . </Li>

When does the kings island water park close