This Dragonball Z game is takes between the Saiyan Saga to Kid Buu Saga, and the Omega Shenron sage, where you can unlock Omega Shenron. You also get the storyline of some characters. Over 40 playable characters, this is the most popular Budokai game. For the first time in the Budokai series the Super Saiyan 4 form are available for Goku and Vegeta, so is Super Saiyan 4 Gogeta. A Collecter's Edition is also available which features a Japanese Voice option and 4 new costumes for Goku, Trunks, Piccolo and Vegeta. an  2008 Updated Version  was Called Dragon Ball Z infinite world which was released four years later on PS2 except there is fighters world but there ain't no world tournoment.