Watch the Teaser Trailer for Eternity’s Echo: Patient Zero, a first-person action survival horror game developed by Demonsoft Games. Players will encounter otherworldly anomalies in a lone gas station located in Winona, Arizona. Assume the role of Rayne Williams as an agent of the Dimensional Investigations Bureau to solve cases, engage in intense parkour, and explore the narrative through a variety of playstyles. Eternity’s Echo: Patient Zero is coming soon for PC (Steam) in Q4 2025.