In 'Who Said Hello?', players step into the shoes of a sarcastic amateur detective, tasked with unraveling a bizarre mystery in the eclectic neighborhood of Whimsiville. After an inexplicably cheerful voice greets you from the shadows, you're plunged into a series of paradoxical encounters with quirky residents, each with their own hidden agendas and secrets. Your choices influence how each character reacts to you, leading to wildly different outcomes, from uncovering a conspiracy to accidentally starting a block party. The game features a combination of humor and suspense, offering players multiple paths to explore while piecing together the identity of the mysterious greeter.