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100+ Free Printable Sudoku’s


As requested by a reader of this blog just another link to more than 100+ printable Sudoku’s for free in pdf format.

Available in levels Easy, Medium and Hard. For the ones how love to solve Sudoku’s online for free just click here to visit the online Sudoku pages of thanassis.com.

There are twelve Sudoku puzzles to solve, from very easy to very hard, each giving away a letter of the 12-character password that gets you to see the congratulations message. Happy Puzzling!





A few weeks ago in a Belgium magazine called Humo was a Sudoku variant I did not know yet. It is called ChaoSudoku.

Unfortunately this magazine ended up in the paper recycling bin (what is good for the environment) but now I was unable to scan it and publish it right here. The nine, 3 by 3, squares are replace by random shaped boxes with space for still the nine digits you need to enter within the Sudoku. The rule that in each column and row must completed by the digits one till nine is [Read More...]


Solutions for Katamino [Penta 3 till Penta 6]


As promised a few days ago more solutions for Katamino. Still a result from my birthday present a few weeks ago.

Progress is not as fast as I hoped for but I am really busy the last few weeks. The solution for Penta 3, penta 4, penta 5 and penta 6 can be found in this pdf-document [280 kb]. The solutions for the other Penta’s will be published soon at this blog. So please be sure you bookmark blog this puzzle blog. Happy [Read More...]


Jigsawdoku – Jigsaw Sudoku


At jigsawdoku you can find a nice flash version of Sudoku. And the best of all, it’s for free. Just drag the numbers into the Sudoku grid.

There are Sudoku’s for children as well as the real Sudoku addicts. There are 4×4 (easy), 6×6 (easy and medium) and 9×9 (easy, medium and hard) Sudoku’s available. And to make the Sudoku more difficult you can use instead of numbers, symbols or letters.

It’s still a beta release but I did not find any problems using it. I really liked the drag and drop option of this Sudoku. Enjoy your [Read More...]


Build your own Rubik’s Cube with LEGO


This amazing piece of work I found via The Goldfish Online. As well as Martin James Howard from the Goldfish Online as Maarten Steurbaut build a working Rubik’s Cube by using Lego and are both AFOL’s (Adult Fans Of Lego).

Maarten explains on his website by using a lot of pictures how he designed and build his Rubik’s Cube which weights more than 6 kg (6.6 pounds) and in still able to rotate.

The only downside is that the internal axes, which enable Rubik’s Cube to rotate, are too [Read More...]


NRC Sudoku’s With Just Eleven Clues


Every Saturday a Dutch newspaper called NRC publishes a special Sudoku.

A normal Sudoku consists of 9 squares (3 by 3) but the NRC Sudoku has 13 squares which all must be filled with the digits 1 till 9. By using 13 squares they can create Sudoku’s with not more than eleven clues to start with.

To be able to solve Sudoku you need a NRC subscription. I know this is for most of the readers of Passion for Puzzles blog not an option. So if you want more information about the [Read More...]


U.S. National Rubik’s Cube


You can now register for The U.S. National Rubik’s Cube which will take place from the 4th till the 6th of August 2006 in San Francisco, California USA.

More information about registration, the different events, 3-day schedule and preliminary rounds can be found at the U.S. National Rubik’s Cube Championship 2006 website

Tags: Rubiks Cube

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