From Wikipedia
Dragon Ball Z: Budokai 2, released as Dragon Ball Z 2 (ドラゴンボールZ2, Doragon Bōru Zetto Tsū) in Japan, is a fighting game based upon the popular anime series, Dragon Ball Z. Budokai 2 is a sequel to Dragon Ball Z: Budokai and was developed by Dimps and published by Atari for the PlayStation 2 and Nintendo GameCube. It was released for the PlayStation 2 in North America on December 4, 2003, and on the Nintendo GameCube on December 15, 2004. The game was published in Japan by Bandai, and released for the PlayStation 2 on February 5, 2004. The game's features include a tournament stage, versus mode, and an item shop. The story mode in the game is known as Dragon Adventure, and plays like a board game as the player assembles a team of Z-fighters to challenge the various enemies in the series starting from the Saiyan Saga up to the final Kid Buu Saga. The game has a total of 31 playable characters including fusions of different fighters, and Majin Buu's various forms. The Japanese version of the game added several new costumes, as well as a new stage in the game's story mode. Some of the added costumes were added to the North American release of the GameCube version.