In 'Whose Hello?', players step into the role of Sam, a quirky detective in a futuristic metropolis where greetings are currency. One day, Sam receives a mysterious text message that simply says, 'Hello.' Determined to solve the riddle of its origin, Sam embarks on a whimsical journey filled with bizarre characters, each with their own unique greeting ritual, leading to unexpected twists and outlandish encounters. As players navigate through a series of interconnected vignettes, they must piece together the true meaning of 'hello' while juggling eccentric side quests, clever dialogue options, and witty interactions that challenge their deductive skills in a world where greetings can make or break relationships.