Alternative Strategies and Sudoku Variations

The complete guide for completing sudoku puzzles
  1. What is Sudoku? - Page 1
  2. Sudoku Terminology - Page 2
  3. Beginner and Intermediate Strategies - Page 3
  4. Medium Sudoku Techniques - Page 4
  5. Advanced Techniques - X-Wing and Swordfish - Page 5
  6. Alternative Strategies and Sudoku Variations - Page 6

Alternative Strategies

When things just aren’t falling into place like they should, you have one last resort, and that is Guessing. Now there is some debate about whether ‘guessing’ is a legitimate tactic or not. Some would say guessing is not logical and should not be done under any circumstances.

But the reality is that certain accepted techniques use their own elements of guessing, including Forcing Chains and Nishio, which test out the viable of certain candidates by guessing at a number, and then following it through to see the domino-like effect and results using that number would have, and whether it ends in a possibly sound result. This is really no different than any other form of logical guessing.

So while throwing down random numbers and just hoping for the best should never be used, even as a last resort, that doesn’t mean that other practices considered guessing should not be. They are logical guesses at the very least, and that’s what Sudoku is all about, logic.

Sudoku Variations

Owing to the popularity of Sudoku, several different versions of the game have sprung up in the past few years. Some are just tweaks to Sudoku itself, like Diagonal Sudoku, which also requires that the numbers 1-9 be filled in along both diagonal lines from one corner to the other.

Then there’s Hexudoku, which throws a 4 X 4 grids of the traditional 9 cells at you, and challenges you with additional letters on top of the numbers 1-9. These puzzles are no easy task, and for skilled players only.

Then we have some new games that are similar to Sudoku, but different. Perhaps the most prominent new one is Kakuro, which is like a cross between Sudoku and a Crossword puzzle. In this game, you’re given totals for each row and column that your numbers must equal out to, on a traditional crossword style layout. Just to spice things up a bit, you can also use each number 1-9 just once along each line.

If you find yourself addicted to Sudoku and looking for even more challenges, consider some of these great new versions.

Sudoku Resources

For additional Sudoku resources or help, there are several great books available through Amazon.com and other online stores. If you enjoy playing online, there are many free sites where you can find all manner of puzzles, ranging from beginner to diabolical (insert maniacal laugh here). Sudoku Daddy provides 1000's of free sudoku puzzles for you to download.

As well, playing online makes it easy to take advantage of some of the great Sudoku programs found online, such as Sudoku Tiger, which can provide you with hints, automatically fill in candidates, track your progress, and much more. They’re a must for every Sudoku aficionado.

Free puzzles
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Sudoku Playing Guide
Sudoku Playing Guide

The allure of Sudoku lies in the broad difficulty the game can present, from simple to annoying, which allows users of all skill levels to play at an suitable level. Sudoku in addition offers a wide variety of approaches that can be used to solve puzzles, from simple to complex.

And that's where the real charm of the game can be found, as every board can be solved through nothing but logical deductions. There's no guesswork or trial and error needed, although these are frequently employed tactics as well.

Sudoku Playing Guide

New printable sudoku puzzlesWebsite Updates

New Printable Sudoku Puzzles

We have uploaded some new printable sudoku puzzles for you to enjoy. You can find the new puzzles by clicking the following link Printable sudoku puzzles

Free Online Tetris Game

Play the classic puzzle rotatation game Tetris. See if you can beat the highest score! Play Free Tetris

Free Maths Puzzle Game

Random numerical questions, try and accurately answer the sums as quickly as possible. Free Maths Game


Printable Easy Sudoku Puzzles

Printable Medium Sudoku Puzzles

Printable Hard Sudoku Puzzles

Printable Evil Sudoku Puzzles

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