KenKen Pro by Will Shortz is a casual puzzle game in which players solve mathematical grid puzzles by filling in numbers according to specific rules to satisfy the given constraints. In this game, players are presented with various grid sizes, including up to 9x9, and must use logic and arithmetic skills to complete each puzzle, challenging their mental acuity. It stands out with its educational theme, encouraging critical thinking and problem-solving, and features integration with social media platforms like Facebook, along with achievement systems to track progress and mastery.