數獨

數獨的玩法是以數字填上數獨裡的每一格，使得數獨裡的每一行、每一列和每一個 3x3 的大格，都包括了 1 至 9 裡的每一個數字。

數獨遊戲的規則簡單，數字千變萬化，解題過程中卻完全不需要用到任何數學運算，純粹運用邏輯分析和推理，絕對是個充滿魅力和能夠鍛煉腦筋和思考能力的好遊戲。

遊戲特徵:
1. 完全免費
2. 3 種難度級別: 簡單、正常、困難
3. 筆記功能
4. 退後和重做功能
5. 自動保存和恢復遊戲

特色功能:
1. 黃色顯示同一行、同一列和同一大格
2. 藍色顯示所有相同數字
3. 紅色顯示所有重複數字 Play Sudoku Sudoku is to fill in the figures for each cell, so that each row in sudoku, every row and every 3x3 large format, include the 1-9 in each digit.
 
Sudoku rules are simple, ever-changing digital, the problem solving process is completely not need to use any math, purely on logic and reasoning, is definitely a charismatic and able to exercise their brains and the ability to think of a good game.
 
Game features:
1. Completely Free
2.3 kinds of difficulty levels: Easy, normal, hard
3. Notes Function
The back and redo
5. Automatic saving and restoring games
 
Features:
1. yellow display on the same line, same column and the same large grid
2. All the same number in blue
3. The red digital display all repeat