3x3 Eyes: Sanjiyan Henjou is a single-player adventure and visual novel game in which players explore a story-driven experience through menu-based interactions, including options to 'Look', 'Talk', and 'Move' within the game world. In this game, the storyline is set in a universe inspired by the manga and anime series 3x3 Eyes, focusing on Pai, a young girl from the immortal sanzhiyan tribe, who seeks to regain her humanity, and her encounters with a Japanese teenager named Yakumo Fujii, whom she inadvertently turns into an immortal servant of a three-eyed demon. The player assumes the role of Kenichi Yamamoto, an ordinary high school student who becomes entangled in the demon world and must seek help from Pai and Yakumo to escape. It stands out with its animated cutscenes, voice-overs in the console versions, and its thematic focus on the struggle between humanity and immortality, offering an immersive narrative experience that combines traditional adventure gameplay with rich storytelling elements. The game is available on multiple platforms, including Turbografx-16/PC Engine CD, FM Towns, DOS, and PC-9800 series, providing a variety of ways to experience its unique story.