Dominoes Number Puzzle 與 Link and Sort 使用情況與統計

Hello Friends, This is another game about numbers, a pair of numbers will make a domino. What is a domino ? it's a pair of numbers without duplicates. Let's look at this example: (0-1) is a domino; so (1-0) is not allowed. ... This game cover different packs with different sizes. Let play and feel free to give your feedback here.