Tag Archives: gattai

Killer Sudoko puzzles are back. Samurai Sudoku will be back tomorrow.

By djape | Published: January 6, 2012
As you have already noticed, the daily killer sudoku puzzles are back. The sudoko variants too. Samuri Sudoku and Diagonal Samurai Sudoko (overlapping Gattai-5 puzzles) are also back and will be updated tomorrow as per schedule. The missing Samurai X will be sent via newsletter. Some of you have already received it. In case you […]
Posted in Killer Sudoku, Newsletters, Samurai sudoku | Also tagged , , , , , , , | 2 Responses

Killer Samurai Sudoku, 100 puzzles, volume 4

By djape | Published: October 22, 2011
I already hinted that this one was coming… Two years after the previous volume, I am ready to present you the forth volume of Killer Su doku puzzles in Gattai-5 format, the book that contains the most difficult variations of Sudoku puzzles. Killer Samurai Sudoku, volume 4, 100 puzzles As you can see from the […]
Posted in Jigsaw Sudoku, Killer Sudoku, Puzzle books, Samurai sudoku | Also tagged , , , , , , , , , , , , , , , , , , | 1 Response

Overlapping CalcuDoku (Square Wisdom, MathDoku) puzzle

By djape | Published: May 12, 2010
It’s been quite a while since I last posted a CalcuDoku puzzle. I’m going to fix that now and to make it up to you, it will be a somewhat special variant of Square Wisdom puzzles. It’s an overlapping, 2 in 1 (Gattai-2), CalcuDoku puzzle, which is essentially in a TwoDoku layout. Remember the rules: […]
Little CalcuDoku book 150 puzzles

Posted in Free sample puzzles, Killer Sudoku, Puzzle variants | Also tagged , , , , , , , , , , | 2 Responses

Jigsaw Sudoku in Flower Sudoku format (5 in 1 Gattai-5)

By djape | Published: April 26, 2010
This should be a tough one – perhaps too tough? It’s only rated “BRAIN”, but the layout makes it quite difficult, I think. 5 overlapping Jigsaw Sudoku puzzles put together in the Flower Sudoku (Gattai-5) layout, which is similar to Samurai Sudoku but not exactly the same. Make sure to use the “Twin Nonets” solving […]
Jigsaw Samurai Sudoku book

Posted in Free sample puzzles, Jigsaw Sudoku, Samurai sudoku | Also tagged , , , , , , , , | 8 Responses

Killer Sudoku with all operators in TwoDoku format

By djape | Published: February 2, 2010
I don’t think I’ve ever posted a puzzle like this one. Yes it is essentially a Killer puzzle. Yes, it’s also an overlapping sudoku puzzle, Gattai-2 (TwoDoku). But it also has some similarity with Calcudoku puzzles, because you must use all four operators (+, -, *, /). Killer TwoDoku with all ops for Tuesday, February […]
Fiendish Killer Sudoku Book

Posted in Free sample puzzles, Killer Sudoku, Puzzle variants | Also tagged , , , , , , | 2 Responses

Butterfly Killer Sudoku

By djape | Published: January 29, 2010
It’s been a while since I last posted a Killer Sudoku variation. As far as I can remember, you folks liked the Butterfly layout of the puzzles, so here is an overlapping, 4-in-1 (Gattai-4), Killer Butterfly Sudoku puzzles. You can also find these puzzles in my Killer Sudoku Compendium book. Killer Butterfly Sudoku for Friday, […]
Fiendish Killer Sudoku Book

Posted in Free sample puzzles, Killer Sudoku | Also tagged , , , , , , | 1 Response

Weekend Special – CalcuDoku Samurai (Gattai-5) puzzle

By djape | Published: February 28, 2009
This is my largest CalcuDoku puzzle so far. Previously I published a CalcuDoku Samurai 7×7, but this time the puzzle is even larger: 8×8 CalcuDoku Samurai for Saturday, February 28, 2009. CalcuDoku for Saturday, Feb 28, 2009Difficulty: IQClick on the puzzle thumbnail to access the puzzle.TweetThe Reduced Operators version of CalcuDoku is here.These puzzles are […]
Little CalcuDoku book 150 puzzles

Posted in CalcuDoku, Free sample puzzles, Samurai sudoku | Also tagged , , , , , , , | 3 Responses
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