数独-经典数字益智游戏

The rules of the game are simple: fill in the numbers 1-9 in a 9×9 grid, and the numbers in each row, column, and 3×3 grid must not be repeated. Sudoku does not require mathematical calculation skills, but tests the player's observation, logical reasoning, and patience. It not only exercises the brain, but also helps to relax, and is suitable for enthusiasts of all ages. Whether it is a paper version or an electronic version, Sudoku has become a popular puzzle game because of its simple rules and endless variations.
Game features: Sudoku difficulty is divided into: simple, medium, difficult, expert, master, and extreme. There are also level challenges, and achievements are obtained by completing levels of different difficulties. This is a very puzzle game suitable for players of all ages.