Whose Hello Is It Anyway?

In a bizarre twist of fate, you wake up in a world where greetings are a matter of life and death, and you're the newly appointed 'Hello Ambassador' of your quirky town, Wittyville. Each citizen has their unique 'hello' style, reflecting their personality, and it’s your job to keep the peace by deciphering who can greet whom based on unwritten social rules. Solve interactive puzzles by using your knowledge of locals' quirks, conduct humorous interviews to gather vital information, and engage in comedic confrontations to navigate through social faux pas. Can you restore harmony, sign a formal greeting treaty, and find true friendship amidst the chaos of misunderstandings?