Pure Sudoku – The ultimate intellectual game
Surely you are not strange with this game, it is so famous all over the world already. Invented in Japan, Sudoku has become a “pandemic” spread everywhere. Today you can easily find Sudoku crosswords in everyday newspapers.
The rules of this game are very simple:
You must fill the digits 1-9 in the blanks so that each horizontal row, each vertical column, and every 3 × 3 square contains all the numbers from 1 to 9.
Although simple, but many crosswords made many people think. The more you play, the more you’ll discover its rules. There are cells that are very difficult, and when you solve them, you will feel a little joy of exploring.