In 'Whose Hello?', you find yourself in a quirky urban city where everyone speaks in riddles and puns. After receiving a suspiciously cryptic postcard, you realize that someone's secretive 'hello' has set off a series of bizarre events leading to a city-wide treasure hunt. As you navigate through eccentric neighborhoods filled with offbeat characters, you'll unlock clues hidden in their playful banter, figure out what the 'hello' truly means, and ultimately confront the mastermind behind the mystery. Your wit and clever responses are key in this whimsical yet dramatic adventure, where every choice could lead you closer to the truth or deeper into absurdity.