Thomas Snyder is an American Sudoku master who has won multiple world championships in Sudoku. In this video, he discusses the mindset and thought processes that he uses to solve Sudoku puzzles. Here are a few lessons that we can learn from how world champion Thomas Snyder approaches Sudoku puzzles: 

During the past 10 years, Sudoku has emerged as one of the most popular puzzle games in the world, with millions of Sudoku books sold, and millions of people playing Sudoku online or via mobile apps. This simple-looking grid of numbers seems like an unlikely source of so much excitement – so, why is Sudoku so popular? Why do people love to play Sudoku? What is the unique appeal of this number game?