In 'Hello, Whose Hello?', players navigate through a bizarre world where greetings are currency, and every interaction could unveil a hidden truth or lead to a danger. The protagonist is an unwitting 'Greetkeeper' tasked with solving a complex web of interpersonal relationships between quirky characters in a pixelated realm where forgotten greetings manifest as physical entities. Players must decipher clues, engage in peculiar dialogues, and encounter unexpected plot twists that reveal deep-seated secrets and connect them to their own mysterious past. Every choice influences how characters respond to your greetings, altering the narrative in wild, unpredictable ways.