In 'Paradox Chronicles: Hello, Who?', players take on the role of Tempus, a time-traveling historian with a penchant for mischief. After accidentally disrupting the timeline during a mission to gather ancient artifacts, Tempus finds themselves facing bizarre alternate realities and meeting eccentric versions of historical figures. To restore order to time, players must navigate through a series of captivating dilemmas in various epochs, solving riddles and making choices that echo through time. Each decision not only shapes Tempus's adventure but also creates unexpected consequences across timelines, resulting in thrilling encounters and humorous situations.