In "Chrono Chums: Who's There?", players assume the role of a quirky time-traveling historian named Tilly, who accidentally stumbles upon an ancient artifact that allows her to summon the ghosts of famous figures from history. Instead of escaping danger or searching for treasure, Tilly must solve a series of dramatic mysteries intertwined with the personal struggles of these legendary people. As she traverses through different eras, she unravels secrets, makes unlikely allies, and confronts the consequences of meddling with time itself. Every choice affects the timeline, leading to multiple endings based on the relationships formed with these historical ghosts and the puzzles solved during her adventures. Can you help them find closure in their unfinished business before the timeline collapses?