Sudoku — Multiplayer & Custom

What is Sudoku?​ Sudoku is a mathematical game originating from Switzerland in the 18th century. It is a logic game that uses paper and a pen for calculation. Players need to deduce the numbers in all the remaining blank spaces based on the known numbers on the 9×9 grid, and ensure that each row, each column, and each thick-lined palace (3×3) contains the numbers 1-9 without repetition.​ What are the benefits of playing Sudoku?​ Cultivates mathematical thinking and improves number sense.​ Sudoku is an excellent logic game—it enhances logical reasoning ability and helps people act in a more organized manner. Logical thinking ability refers to the ability to observe, compare, analyze, generalize, and reason about things. People with strong logical thinking can do things in a more orderly way. Mathematics is not just about arithmetic; its core is to cultivate logical reasoning...​ Improves children's concentration, observation skills, and responsiveness.​ Better helps establish the concept of permutations and combinations and develops the habit of using one's own brain actively.​ Advantages of this APP​ Completely free. There are no paid items at all!​ You can play the same game with friends and compete against each other.​ Different from other Sudoku games, it has an additional check function. When you are stuck during the game, you can check if there are any mistakes in the numbers you filled in earlier.​ Simple interface design and interesting sharing experience. (Click to share for a surprise!)​ Professional question structure, with reasonable difficulty progression across various game levels.​ There are over 9999 Sudoku levels, and each level is designed with some small obstacles to increase playability.​ Supports custom question creation and AI question generation. You can also play questions created by other players!​ We are committed to making playing Sudoku very interesting and enjoyable. Compared with traditional Sudoku games, we have also added some small obstacles.​ Come and have a brainstorm together! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/