In 'Chrono Chums: Who's There?', players embody a quirky time-traveling detective who mysteriously acquires the ability to engage with their future and past selves—think of it as an existential game of tag through the ages. As players unravel a convoluted conspiracy involving time loops, alternate realities, and distorted friendships, they must solve puzzles and gather clues while interacting with various versions of themselves and their allies across time. Each decision alters timelines, creating dynamic consequences and challenges that make each playthrough unique.