Lots of people love to play Sudoku – people of all ages, all nationalities, and all walks of life. In any big city, you can see people playing Sudoku on their mobile phones while riding the train to work. Sudoku is played in schools, in parks, at senior centers, and in private homes. Sudoku is one of the most popular puzzle games and one of the most prevalent daily activities all over the world.

Sudoku is a seemingly simple game that is actually built upon many levels of seemingly infinite complexity. Although Sudoku is played by millions of people throughout the world, only a tiny percentage of the most skilled Sudoku players ever rise to the level of playing in a Sudoku championship.

We wrote an article a while ago about Sudoku tips from World Champion Thomas Snyder, where we discussed some of the thought processes and habits of mind that American Sudoku master Thomas Snyder uses for solving Sudoku puzzles.