In 'Chrono Chums: Whose Hello Is It Anyway?', you take on the role of a charismatic yet bumbling time-traveler named Biff Chortle, who inadvertently stumbles upon a cosmic malfunction in the timeline. Accidentally swapping brief conversations with historical figures, you must navigate through hilarious and chaotic scenarios, making choices that will alter the course of history and your friendships. Engage with famous and quirky personalities from various eras as you piece together your fractured timeline while juggling the absurd consequences of your interactions. Can you keep your friends, and reality, intact, or will time unravel into comical chaos?