The game's story was written by Tetsuya Takahashi, Kaori Tanaka, Masato Kato. The game's plot has a mix theme of Jewish Mysticism, Gnosticism, Science, and Technology. The game mainly follows protagonist Fei Fong Wong, but it occasionally shifts to other characters as well as each of the character is being revealed in a dramatically unique and showcasing fashion. The relationship between humanity and machines is central to the game's plot, as indicated by the continuous presence of giant humanoid fighting machines called Gears; in which it serves as the vehicle of almost each playable character in the game. Surprisingly, it also has principles related to Psychology, particularly Sigmund Freud's Dissociative Identity Disorder and Carl Jung's Analytical Psychology, and even the philosophical concepts of Friedrich Neitzsche. One could expect the game to contain symbols, theological concepts, devotional practices of several world religions. Oftentimes, you would find the story almost relating to some of the realities of life.
This website would be covering the entirety of the game including walkthroughs, lists, the Gears, the story, the Characters, some strategies, and even cheats. It would also contain some books, some explanations, pictures, videos, and music that are all essential for Xenogears fans.