The Legacy of Goku
Dragon Ball Z: The Legacy of Goku is the first title in the series, and was released in the United States on May 14, and in Europe on October 4, 2002. The game covers the story of Dragon Ball Z up until the destruction of Planet Namek. Goku is the only playable character. It is also one of the first GBA games to feature full motion video.
The Legacy of Goku II
Dragon Ball Z: The Legacy of Goku II was released on June 17, 2003. The plot of the game picks up where The Legacy of Goku left off, and continues until the end of the Cell Games Saga when Gohan defeats the evil android Cell. The game introduced several new concepts to the series. The first was transformations, which allowed characters to become temporarily stronger, at the cost of slowly draining their energy. It also introduced the scouter, which allowed players to look up the stats of other characters in the game, as well as basic information about them. The game also introduced charged melee attacks, which allowed characters to unleash a powerful physical strike after a short charging period. The game also allowed characters to further supplement their stats with capsules that were scattered around the game world.