In 'Whose Hello?', players step into the shoes of a quirky amateur detective named Charlie, who has a peculiar knack for solving crimes spoken through greetings. Set in a vibrant, bustling city filled with eccentric characters, players navigate through various scenarios where they've been tasked to decipher cryptic hellos that hold the key to solving outrageous puzzles and uncovering secrets. As Charlie explores themed neighborhoods, engages in dialogue with a slew of colorful denizens, and pieces together clues hidden in park greetings, coffee shop salutations, and subway farewells, the player must distill the truth from the chaos of conversations while managing Charlie's snarky humor.