Whose Hellos Are These, Anyway?

In a world where every greeting is more than just a hello, you, an eccentric detective known for your uncanny ability to decipher the subtleties of human communication, must unravel a series of bizarre 'hellos' that lead to sinister secrets. As you engage in witty dialogues and navigate through quirky characters in your lively city, each interaction unveils new clues or chaotic side stories that intertwine with a central conspiracy involving an enigmatic alien collective that communicates only through playful greetings. You'll need to outsmart charming con artists, friendly aliens, and overly polite robots while figuring out who is behind the mysterious 'hellos' that disrupt the city.