Mystery Game Influence explores how engaging with mystery and deduction-based board games can cultivate critical thinking and problem-solving skills. It bridges the gap between leisure and cognitive enhancement, revealing how games like Clue challenge players to analyze evidence and deduce conclusions, skills transferable to real-world situations. The book highlights how these games enhance memory, attention, and cognitive flexibility, offering insights valuable to educators, game enthusiasts, and anyone seeking to sharpen their mental acuity. The book's approach examines the history of mystery games and their evolution, investigating the cognitive processes activated during gameplay. Structurally, it progresses from introducing fundamental cognitive skills to dissecting popular mystery board games, evaluating empirical evidence, and exploring practical applications in education and professional environments. By connecting psychological theories with practical applications, Mystery Game Influence offers a multidisciplinary perspective on the cognitive benefits of mystery games, demonstrating how they can serve as a valuable form of cognitive training.