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# Sudoku: Numerical Puzzles To Thrill Your Mind

For more than two years, Sudoku puzzles have thrilled the minds of numerous solvers around the world. They solve them while having breakfast, on a train to their work or, most likely, at work!

To be honest, I haven't fallen so much into the trap of solving Sudoku puzzles. However, I have become addicted to another aspect of Sudoku puzzles: I enjoy creating them. Actually, I focus on its variants that have mushroomed after the initial success of the original "number-place" puzzles.

It is difficult to keep track of all the different variants that have been invented in the past two years. Two of the most successful ones are surely Killer Sudoku and Samurai Sudoku. They extend the original puzzle in two different ways. While Samurai demand even more patience because of its size, Killer Sudoku asks that you use some basic arithmetics in order to solve a puzzle.

But that is not all; there are many variants that impose additional restrictions on the placement of numbers in a puzzle: diagonal, consecutive, odd/even, or greater/less than Sudoku, to name a few. Then there are jigsaw Sudoku puzzles. Some authors even combine a couple of these extra rules into one puzzle.

And then, once you've become familiar with the family of Sudoku puzzles, you learn that there are other logic brain teasers that ask from you to play with the numbers. Kakuro is a hybrid between Killer Sudoku and good old crosswords; Hanjie puzzles (which also go under different names: griddlers, nonograms, pic-a-pix, or paint-by-numbers) reveal interesting images after you solve them; to extend your Japanese vocabulary, you learn about Hashi, Masyu, or Hitori puzzles.

It is my intention to write a series of articles here at Blogcritics and introduce some of these puzzles to you. I hope that you, dear reader, will also become addicted to these magnificent mind-benders!

• You can certainly design some evil puzzles, djape! It took me three days to finish your most recent “Butterfly Killer Samurai Sudoku.”

• karin

Hi,
I must say your article is real interesting for a nonogram puzzle lover like me. Its true i do play sudoku when im commuting to work. Recently i have come across, Gemsweeper, online nonogram puzzle game from lobstersoft which is little similar in format to sudoku, but much better. The game is easy to use, has colourful graphics and 225 mind bendng puzzles to solve. I really enjoyed the experience. Check it out.
karin2008

• Hi Karin
of course we know that nonogram / gridlers are better than Sudoku.
The best site for nonogram.

• You can also check out Gemsweeper Not the hardest puzzles, but definetely the best looking. The took the concept and made a game out of idea.