In 'Chrono Chums: Who's There?', players find themselves in a small-town diner that serves as a hub for time travelers. Each table is a portal to a different time period, and players must gather clues and interact with eccentric historical figures to solve the mystery of a missing time artifact. Featuring interactive conversations, puzzles that require the manipulation of timelines, and a cast of quirky companions from various eras, the game blends humor and suspense in a race against time to stop the fabric of reality from unraveling.