In "Chrono Chums: Who's There?", you take on the role of a quirky time-traveling detective named Cass, who relies on a mischievous AI companion named Zippy. Your mission is to unravel a mind-bending mystery involving historical figures who have mysteriously begun showing up in the present day. Explore different timelines by interacting with characters—from Shakespeare to Cleopatra—gather clues, and solve outlandish puzzles that warp time itself. Your choices impact the timeline, creating a branching narrative filled with suspense, humor, and unexpected twists as you discover who, or what, is causing the time phenomena. Will you manage to send your historical friends back to their rightful eras while keeping the fabric of time intact?