In "Chronochums: Who's There?", players take on the role of a time-traveling detective named Luna Temporal, who specializes in interdimensional crimes. When a series of peculiar events disrupts the timeline, including famous historical figures mysteriously wandering into the present, players must gather clues, interview quirky time anomalies, and solve riddles across various historical epochs. Each choice impacts the fabric of time, leading to unexpected twists and alternate outcomes. Players must navigate relationships with their past ‘chums’ and decipher whether they are allies or foes in a race against time itself.