From Wikipedia
Dragon Ball Z: Budokai, released as Dragon Ball Z (ドラゴンボールZ, Doragon Bōru Zetto) in Japan, is a fighting game released for the PlayStation 2 on December 3, 2002 in North America and for the Nintendo GameCube in North America on October 28, 2003. The game was released in Japan by Bandai on the PlayStation 2 on February 13, 2003, and on the Nintendo GameCube on November 28, 2003. It was developed by Dimps and published by Atari. A cel-shading effect was added to the graphics in the GameCube version. The game follows the Dragon Ball Z timeline starting with Goku and Piccolo's fight with Raditz up to Gohan's final battle with Cell with a total of 23 playable characters. Features included in the game were a story mode, a versus mode, a tournament stage, and an items shop which allowed the player to purchase various customization abilities using money that was gained through the various challenges in the story mode and tournament victories. The story mode also included a few "what if" episode's to play, retelling iconic events in the Dragon Ball history with a few twists.