In 'Whose Hello?', players navigate a quirky, bustling digital city where every citizen communicates through a unique, animated greeting. When a mysterious figure begins stealing greetings—causing confusion and silence across town—the player must interact with eccentric characters, solve puzzles, and uncover secrets to restore the city's vibrant 'hellos' and discover the identity of the thief. Each interaction reveals clues and deepens the intrigue, as the characters' greetings hold the keys to their personalities and the greater mystery.