Jak and Daxter: The Precursor Legacy is a 2001 platform video game developed by Naughty Dog and published by Sony Computer Entertainment. It was released exclusively for the Sony PlayStation 2 on December 3, 2001 and is the first game in the Jak and Daxter series. Development began in January 1999.The game follows the protagonist, Jak, as he tries to help his friend, Daxter, after Daxter transforms into an ottsel (a fictional hybrid of an otter and a weasel).