Dragon Ball Z: Gokuu Hishouden

Dragon Ball Z: Gokuu Hishouden (ドラゴンボールZ 悟空飛翔伝)
This isn't your typical fighting game fare that you might associate with the Dragon Ball Z name. Released in 1994 exclusively in Japan for the Game Boy, Gokuu Hishouden is a fascinatingly unique role-playing game (RPG) with strategy and card-based battle elements. Think of it as a blend of turn-based exploration, character stat management, and a tactical battle system driven by "Ki Cards."
You'll be stepping into the boots of Goku as he journeys through familiar arcs of the Dragon Ball Z story, from the Saiyan Saga right up to the Frieza Saga. Prepare to gather allies, train your characters, and master your Ki to defeat powerful foes like Vegeta, Nappa, and of course, the tyrannical Frieza. While the Game Boy's limited screen and processing power means it's not the flashiest adaptation, Gokuu Hishouden offers a surprisingly deep and engaging experience for those willing to learn its intricacies.