Crash Twinsanity is an open world platform video game, developed by Traveller's Tales and published by Vivendi Universal Games in North America and Europe and by Sierra Entertainment in Australasia, for the PlayStation 2 and the Xbox. It was released in North America on October 1, 2004, in Europe on October 8, 2004, and in Japan on November 9, 2004. Twinsanity is the eleventh installment in the Crash Bandicoot series and the fifth game in the main franchise. The game's story takes place three years after the events of Crash Bandicoot: The Wrath of Cortex and follows the main protagonist and main antagonist of the series, Crash Bandicoot and Doctor Neo Cortex, as they are forced to work together to stop the Evil Twins, a duo of mutant parrots who seemingly have a connection to Dr. Cortex, from destroying the Wumpa Islands. Although Twinsanity received mixed critical reviews, fan reception has been mostly positive.