In 'Whose Echo is This?', players assume the role of an unnamed protagonist who finds themselves in a world where echoes of people's thoughts manifest as audible whispers that can be interacted with. Each echo contains a fragment of a hidden memory tied to the person it belongs to. As players explore this enigmatic urban landscape, they must piece together the stories behind these echoes, confront their own past traumas, and make choices that determine the fates of both themselves and every character they encounter. Every decision impacts the narrative, leading to multiple endings based on directly confronting or choosing to ignore the echoes around them. Can you uncover the truth without losing yourself in the process?