This is the archive of the old posts from Djape .Net, more or less as they used to be. Please go to djape.net to see the new website.

Samurai Killer

By djape | Published: February 4, 2006
Here we go – Killer Samurai with full (quad) symmetry! Click on the puzzle thumbnail to access the puzzle.
Killer Sudoku Samurai: 65 puzzles (Volume 1)

The first step (innies and outies) in solving it is here.
Posted in Free sample puzzles, Killer Sudoku, Samurai sudoku | Tagged , , , , , , , , | 2 Responses

A new feature on this site – FORUM

By djape | Published: February 1, 2006
Well, after nearly 1000 comments have been written to various posts on this site, I think it’s time to provide you with a better way to communicate. Therefore, I just opened up a forum. I’m pretty sure you are all familiar with phpBB forums so you won’t have problems using it. One thing, though, you must register to post messages. In the next few days I will close comments on the Daily Killer and Daily Sudoku pages so please start moving your discussions into the forum.
Posted in General | Tagged , , | 6 Responses

Le Matin Sudoku Fevrier (Switzerland)

By djape | Published: February 1, 2006
On February 1, 2006, “Le Matin” will publish a magazine with 50 Sudoku puzzles from Perfect Sudoku.
Le Matin Sudoku Fevrier
There will be 30 classic Sudokus plus 20 Sudoku X puzzles. It is likely that there will be more magazines with our puzzles published in Switzerland. UPDATE: You can chat about this issue of “Le Matin” in the forum: http://www.djapedjape.com/sudoku/forum/viewtopic.php?t=18
Posted in Puzzle books | Tagged , , , , , | 2 Responses

Weekly Samurai Sudoku X

By djape | Published: January 31, 2006
Samurai X for Tuesday, January 31 – this is the only place you can find these kind of Sudoku puzzles! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull about the diagonals: ALL diagonals in the puzzle must contain one occurrence of each 1-9 digit. The diagonals are marked in the puzzle so you wouldn’t forget about them. WARNING: This is another very difficult Samurai Sudoku X puzzle. Click on the puzzle thumbnail to access the puzzle.
Samarai Sudoku book

solution – up to the critical point
Posted in Free sample puzzles, Samurai sudoku | Tagged , , , , , | Leave a comment

Butterfly Sudoku Killer X

By djape | Published: January 28, 2006
Here is this weekend’s special – a unique and never-seen-before Killer Butterfly X There are 4 “classic” 9×9 Sudoku puzzles inside this one. They all overlap and they all must be solved according to the rules of Sudoku and Killer Sudoku. You can use Twin Nonets solving technique for this one! However, in contrast with the previous Killer Butterfly, this puzzle must have all numbers from 1 to 9 on ALL diagonals in the puzzle. There are 8 diagonals altogether – make sure you take good care of them. Warning: This puzzle could be dangerous to your mental health. Do not attempt if not confident! Click on the puzzle thumbnail to access the puzzle.
Fiendish Killer Sudoku Book

Solution – first step
Have fun! UPDATE: I had a fair number of people expressing interest and commending Butterfly puzzles, so I intend to promote them a bit more. Therefore, as of Monday January 30, expect at least 2 Butterfly (X) puzzles every week on the Daily Sudoku variants page.
Posted in Free sample puzzles, Killer Sudoku, Sudoku Variants | Tagged , , , , , , , , , , , , , , , | 4 Responses

Harakiri Sudoku X

By djape | Published: January 25, 2006
Yet another – first ever – puzzle from Perfect Sudoku – Sudoku Harakiri X! Basically, it’s a double Samurai Sudoku puzzle: 8 classic sub-puzzles, which of course don’t have their own (unique) solutions but all together constitute a puzzle with a single solution. This time, however, you must also pay attention to diagonals: ALL diagonals in the puzzle must contain all numbers from 1 to 9. The diagonals are marked in the puzzle so you wouldn’t forget them. Click on the puzzle thumbnail to access the puzzle.
Super Sudoku Quad Samurai Puzzle Book with Variants

Thoughts and comments are most appreciated (as always)! Solution – first step
Posted in Free sample puzzles, Samurai sudoku, Sudoku Variants | Tagged , , , , , , | 4 Responses

Samurai Killer

By djape | Published: January 24, 2006
Here we go – Killer Samurai with full (quad) symmetry! Click on the puzzle thumbnail to access the puzzle.
Killer Sudoku Samurai: 65 puzzles (Volume 1)

The first step (innies and outies) in solving it is here.
Posted in Free sample puzzles, Killer Sudoku, Samurai sudoku | Tagged , , , , , , , | Leave a comment

Weekly Samurai Sudoku X

By djape | Published: January 23, 2006
Samurai X for Monday, January 23 – this is the only place you can find these kind of Sudoku puzzles! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull about the diagonals: ALL diagonals in the puzzle must contain one occurrence of each 1-9 digit. The diagonals are marked in the puzzle so you wouldn’t forget about them. Click on the puzzle thumbnail to access the puzzle.
Samarai Sudoku book

solution – first step
Posted in Free sample puzzles, Samurai sudoku | Tagged , , , , | Leave a comment

Sudoku Killer Insane – with Quad Symmetry

By djape | Published: January 20, 2006
I just uploaded an INSANE Killer puzzle to Daily Killer page. Not only that it has the highest difficulty ranking, but it’s also fully symmetrical, just like yesterday’s BRAIN puzzle. Normally, Sudoku Killer puzzles have “rotational” (or diagonal) symmetry, but I have enhanced my generator to create puzzles with any symmetry – rotational, horizontal, vertical, full (quad) or none at all. This should take you through the weekend 🙂 … or will there be someone to claim that this puzzle is also too easy!? Enjoy!
Posted in General | Tagged , , , , , | 7 Responses

Killer Butterfly

By djape | Published: January 17, 2006
I don’t know if there is a species that go under that name and if there are, my apologies to them. Another world premiere Sudoku variation puzzle – Butterfly Killer Sudoku. Thanks to one of our regular visitors udosuk for suggesting this concept – this should encourage you to suggest a layout for overlapping puzzles and I’ll attempt to create them. Back to the puzzle – there are 4 “classic” 9×9 Sudoku puzzles inside this one. They all overlap and they all must be solved according to the rules of Sudoku. You can use Twin Nonets solving technique for this one! Click on the puzzle thumbnail to access the puzzle.
Killer Sudoku Samurai: 65 puzzles (Volume 1)

Solution – first step
Solution – final By the way, I also posted a “Diagonal Butterfly Sudoku X” on the Daily Sudoku variants page – it’s the same layout as this one, but it’s not a Killer. Have fun!
Posted in Free sample puzzles, Killer Sudoku, Sudoku Variants | Tagged , , , , , , , , , , , , , , , , | 4 Responses
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