Yuu Yuu Hakusho is a Game Boy adaptation of the popular anime and manga series of the same name. It likely featured action RPG or fighting game elements, with playable characters and story elements based on the original source material. The game's objective probably involved progression through various levels, battles against enemies, and potentially the use of special abilities or techniques from the show.  Specific gameplay details require further research. It was undoubtedly aimed at fans of the show and would have showcased simplified adaptations of the show's themes and characters.

Yuu Yuu Hakusho (Japan)

Yossy no Tamago (Japan)