All those of you who are wondering where the weekly Samurai Sudoku puzzles are, well, first, please read this post. Then, get ready to be happy. 🙂 Here is today’s special puzzle: Non Consecutive Samurai Sudoku! Although it looks like your ordinary 5 in 1 Sudoku gattai overlapping Samurai puzzle, there is one additional rule […]
Some people consider Sudoku Samurai puzzles too big; some other people prefer even bigger puzzles. If you belong to the second category, here is an overlapping sudoku variants puzzle for you: 13 grid Sudoku (Gattai-13) laid out in a quadruple Samurai Sudoku format. Essentially, there are 13 Sudoku sub-puzzles which overlap the same way as […]
Here we go… another “classic” Sudoku that I can’t remember posting before. Twodoku is a Gattai-2 puzzle, which means that there are two overlapping Sudokus. It’s a tough one, I think. In order to solve it, you should use all classic Sudoku solving techniques, but it would help if you also knew how to apply […]
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: […]
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 […]
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 […]
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, […]
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.The Reduced Operators version of CalcuDoku is here.These puzzles are […]