In 'Hello, Who's There?', you play as Sam, a down-on-their-luck freelance detective who specializes in solving the most absurd and mundane cases in a bizarre alternate reality where every door has a persona. When a mysterious case of disappearing greetings emerges, clients flood in claiming their 'hellos' have been stolen. Each level presents unique characters with quirky personalities, from over-enthusiastic doorbells to cryptic doorknobs, leading to a hilarious and dramatic investigation. You must navigate through bizarre scenarios, make quick choices, and piece together clues while delivering your own hilarious one-liners. Will you solve the mystery of the vanishing hellos before all greetings go extinct?