In 'ChronoChums: Who's There?', players assume the role of Luna, a tech-savvy temporal investigator who inadvertently stumbles upon a hidden time pocket at a retro arcade. Each time Luna engages with a game, she is pulled into a different era where she meets quirky pals, each with their own timeline-related mysteries to solve. As she navigates through different historical settings, from the roaring '20s to a futuristic utopia, Luna must piece together clues, forge unexpected alliances, and make significant decisions that affect time itself. The game challenges players to solve puzzles, engage in witty banter, and confront time paradoxes while racing against a shadowy figure determined to erase her existence across the timelines. Can you uncover the truth and save the future without losing yourself in the past?