Jak II is an action-adventure game developed by Naughty Dog and published by Sony Computer Entertainment. It is the second game in the Jak and Daxter series, and continues the story of the two titular characters as they seek to uncover the secrets of the Precursor race and save the world from the evil forces of Gol and Maia. The game is set in the open-world of Haven City, and features a more mature and darker tone than the previous game. The game also introduces new abilities and weapons for Jak and Daxter, as well as new vehicles and mini-games. Jak II was released in 2003 for the PlayStation 2 and was well-received by critics, who praised the improved graphics and more complex story.