Yu Yu Hakusho Makyō Tōitsusen (Yu Yu Hakusho: Battle To Unite The Demon Plane) is a 1994 fighting game developed by Treasure and published by Sega for the Mega Drive. It is based on the manga series Yu Yu Hakusho by Yoshihiro Togashi. The plot follows the protagonist Yusuke Urameshi, who is tasked by the ruler of the afterlife with solving detective-style cases involving both humans and demons threatening the living world. The story begins to focus heavily on martial arts battles as it progresses.