In 'Hello, Whose Hello?', you play as Alex, an elusive detective who specializes in cases where identity and perception intertwine. After receiving a cryptic voicemail from an unknown caller claiming to be a long-lost friend, you find yourself pulled into a psychological labyrinth spanning multiple realities. Each choice you make alters the narrative and reveals hidden facets of both the caller's identity and your own past. Interact with quirky characters, solve intricate puzzles about memory and trust, and unearth the truth before time runs out. Will you confront your fears and come to grips with your sanity or lose yourself in the echoes of 'hello'?