In "Whose Hellos Are These, Anyway?", players step into the shoes of Rex, a down-on-his-luck private investigator who specializes in solving the most bizarre cases imaginable. When a series of mysterious 'hellos' start appearing in seemingly random locations throughout town—each meticulously recorded in a quirky notebook—Rex finds himself unraveling a wild conspiracy involving an eccentric billionaire, a secret society of 'Hello Enthusiasts', and a cryptic letter that hints at a hidden treasure. Players must interact with a colorful cast of characters, solve intricate puzzles, and make choices that ultimately shape the outcome of Rex's investigation, filled with deadpan humor and unexpected twists.