Learn Sudoku - Detailed steps to master any Sudoku
Learn Sudoku! Everything you ever wanted to know is right here. We all know that Sudoku has enjoyed a major surge in popularity in recent years, even though most people think it looks "intimidating" and even "boring" at first glance.
How to play Sudoku (overview) - learn. Sudoku
How to play Sudoku (overview) This section covers several topics that will will help get you started playing Sudoku. If you would rather just dive right in, feel free to click "Basic Techniques" or "More Advanced" on the menu to the left .
Sudoku - Advanced Techniques
You are currently armed with enough knowledge to solve 95% or more of the Sudoku puzzles currently published in newspapers, books, and magazines The more advanced techniques that follow are only required to solve very high level, intense puzzles
Sudoku - Basic Techniques
I had a lot of fun writing this section. The reason is that I just love the logic in these techniques. This is the real "meat" of the game. Some of the techniques are hard to follow at first, and even harder to spot in a puzzle.
Sudoku - Hidden Pairs
A Hidden Pair is basically just a "buried" Naked Pair. It occurs when two pencil marks appear in exactly two cells within the same house (row, column, or block).. This time, however, the pair is not "Naked" - it is buried (or hidden) among other pencil marks.
Sudoku - XY Wing
XY Wing is my favorite technique. I'm not sure why. I guess it's because the logic is just so perfect! It's one of those things where, after a little time, I finally came to understand how and why it works, but deep down inside I know I could have never thought it up on my own.
Sudoku - X Wing - learn. Sudoku
An X Wing is a technique for removing candidates (pencil marks). It starts with either two parallel rows or two parallel columns. Blocks are not involved here.
Sudoku - Extremely advanced techniques - learn. Sudoku
In fact, if you can find a Sudoku printed somewhere that you cannot solve using the techniques I describe in this website, please send it to me, along with a description of where you found it.
Sudoku - Hidden Triplets & Quads - learn. Sudoku
Hidden Triplets are kind of hard, huh? Well, the good news is this is the hardest of the "basic" techniques. And if you stopped here, you would still possess the skills to solve 95% of the Sudoku puzzles out there.
So what is Sudoku exactly? - learn. Sudoku
Sudoku is a puzzle game designed for a single player, much like a crossword puzzle. The puzzle itself is nothing more than a grid of little boxes called "cells". They are stacked nine high and nine wide, making 81 cells total.
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