Sudoku - This is a digital puzzle game that challenges intelligence and logic. Whether you are a newcomer or an advanced player, you can choose the difficulty that suits you. You can exercise your mind with easier difficulty. Try expert-level difficulty to temper your mind. Train your brain anytime, anywhere with Sudoku!

Game Rules:
The Sudoku plate is a nine-square house, and each house is divided into nine small cells. In these eighty-one grids, given certain known numbers and problem solving conditions, using logic and reasoning, fill in the spaces with 1-9 digits. The challenge is completed by having 1-9 each number appear only once in each row, column, and house.

Game Skills:
1. Use the exclusion method to fill in the rows or columns that can determine the number.
2. Prioritize the least number of rows or columns with spaces
3. After applying the above two principles to fill in the rows and columns that can be determined and the least spaces, the other rows or columns have determinable numbers, and the first two principles are used to fill in the spaces.

Simple numbers, endless thinking, meticulous logic, and the fun of solving problems can all be reflected in Sudoku. Try it and experience the charm of Sudoku!