Operation Babel: New Tokyo Legacy" is a video game set in an alternate future in which the world has been thrown into chaos by the appearance of a mysterious object known as "the Embryo" high in the sky. Players take on the role of special forces unit called Xth Squad, who must infiltrate and investigate this strange object while fighting off any enemies they encounter. Along their journey, they will learn more about why it appeared and how to stop it before it's too late.