qiuqiuQiuQiu is a free casual game where you divide 4 dominoes into 2 pairs to make value of each pair close to 9. Learn the rules, special hands, and how toQiuQiu is a dominoes game where players divide 4 dominoes into 2 pairs with values close to 9. Learn the rules, bets, and special hands of QiuQiu, also known as KiuKiu, on this web page.