The word “Sudoku” is a Japanese word that means “single number” – so many people assume that Sudoku was invented in Japan. However, the truth about the invention of Sudoku is more complicated and more interesting.

If you have already watched our video on how to play Sudoku for beginners, you already have a good understanding of the basic rules of the game. But, there is so much more to learn about Sudoku. In this video, we will start to take a look at some of the more intermediate techniques that you can use to take your Sudoku skills to the next level.