This is part 4 of our “How to Solve Sudoku Puzzles – Real Tips and Advice” series. If you haven’t already, please start by reading part 1.

In our last article, we had completed 6 out of 9 squares of the Sudoku grid and were almost ready to solve the puzzle.

Sudoku is a unique puzzle game that offers a variety of cognitive challenges – logic, deductive reasoning, memory, pattern seeking, and problem solving. Sudoku has become so popular because it appeals to a wide range of people across cultures, because it’s easy to play anywhere, because it has a simple premise with a rich array of complex outcomes.

Sudoku is fun, fulfilling, and sometimes devilishly challenging – it has something to offer everyone on the spectrum from casual fans to hardcore enthusiasts and world-class competitors.

There are many reasons why Sudoku has captured the imagination of so many people – here are a few reasons why Sudoku is, perhaps, the perfect puzzle game: