In 'Echo of Shadows', players assume the role of a paranormal investigator who mysteriously awakens in a haunted library after a series of unexplained incidents. Each room is filled with echoes of the past, allowing players to interact with the specters trapped within, solving their personal vendettas and uncovering the dark secrets hidden in the library's tomes. The choices made affect the narrative's outcome, leading to multiple endings ranging from terrifying to surprisingly humorous as players navigate the ghosts' tragic and often absurd stories.