In 'Whose Echo Is That?', you find yourself in an enigmatic library that houses the whispers of lost souls. As a rookie paranormal investigator, you must navigate through the labyrinth of books, each holding tales of their own. Armed with only your wits and an unreliable old ghost detector, you communicate with agitated spirits to solve the mystery of who, or what, haunts this place. Your choices directly affect the plot, as you reveal layers of suspense, humor, and drama, with characters that can either aid or obstruct your quest for the truth.