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Tag Archives: overlapping sudoku
Flower Sudoku: 5 in 1 Sudoku puzzles in different flavors – “Still my favorite sudoku variant!”
A new review of Flower Sudoku: 5 in 1 Sudoku puzzles book has been posted on Amazon. It’s a short, 5/5 stars review. Interestingly enough, so far there have been 4 reviews of this book – and all reviews of Flower Sudoku book are 5/5 stars! As always, djape’s puzzles are fantastic and range from […]
Posted in Puzzle books, Reviews, Samurai sudoku, Sudoku Variants
Also tagged amazon, BOOK, CONSECUTIVE, Flower Sudoku, gattai, greater/less, killer, Killer Flower Sudoku, odd/even, review, samurai, Samurai Sudoku, Samurai Sudokus, sudoku book, Sudoku Variant, variant
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Killer Sudoku with all operators in TwoDoku format
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 […]
Posted in Free sample puzzles, Killer Sudoku, Puzzle variants
Also tagged BRAIN, calcudoku, gattai, killer, killer sudoku, OPERATORS, twodoku
2 Responses
Non-consecutive Butterfly Sudoku
After a few weekends without any special puzzles, now I present you with another Gattai-4 non-consecutive Sudoku puzzle. This time, it’s a (somewhat forgotten) Butterfly Sudoku variation. The 4 sub-puzzles heavily overlap, so be careful! Non-consecutive Butterfly (Gattai-4) Sudoku for Saturday, May 10, 2008. Difficulty: Brain Rules: Solve the puzzle so that any two horizontally […]
Posted in Free sample puzzles, Sudoku Variants
Also tagged BRAIN, Butterfly Sudoku, CONSECUTIVE, Consecutive Sudoku, Difficulty Brain, gattai, rules, Rules Solve
2 Responses
Non-consecutive Ring Sudoku (Gattai-4)
A few people have requested more non-consecutive puzzles and, as usual, I’m happy to fulfill your demands. This time is a Gattai-4 non-consecutive puzzle. Non-consecutive Ring (Gattai-4) Sudoku for Saturday, April 5, 2008. Difficulty: Brain Rules: Solve the puzzle so that any two horizontally or vertically adjacent cells DO NOT contain two consecutive numbers (1 […]
Posted in Free sample puzzles, Sudoku Variants
Also tagged BRAIN, CONSECUTIVE, Difficulty Brain, gattai, rules, Rules Solve
4 Responses
The Law of Leftovers (LOL)
I promised to explain this technique, which applies to Jigsaw Sudoku (aka irregular blocks) puzzles, a while ago, so it’s time to keep the promise. You can find the same technique explained on various other sites, too. This technique is somewhat similar to innies/outies which is used for solving Killer Sudoku puzzles, but there is […]
Posted in Jigsaw Sudoku, Killer Sudoku, Solving tips
Also tagged IMPORTANT, innie, INNIES, innies and outies, IQ, Jigsaw Sudoku, Jigsaw Sudokus, killer, killer sudoku, outie, OUTIES, sample puzzle, samurai, solving technique, sudoku solving technique, Sudoku Variant, Sudoku Variant Puzzle, technique, twodoku, variant
3 Responses
Extra special – Butterfly Killer Sudoku (hard)
Somehow butterfly puzzles have been neglected in the past few months and it’s time to rectify. A quick reminder – this breed of overlapping sudoku puzzles was suggested by udosuk and implemented by myself. There are 4 “classic” 9×9 Killer Sudoku puzzles inside this one. They all overlap and they all must be solved according […]
Posted in Free sample puzzles, Killer Sudoku
Also tagged Butterfly Killer, Butterfly Killer Sudoku, HARD, IQ, killer, killer sudoku, rules, solving technique, technique, Twin Nonets
7 Responses
Flower Sudoku
Here is another Sudoku overlapping puzzle variation. This one was suggested again by udosuk, just like the butterfly puzzles. If you have seen Sudoku puzzles with this layout before – please let me know! There are 5 puzzles that heavily overlap each other – in fact the center (inner) grid is completely covered by the […]
Posted in Free sample puzzles, Samurai sudoku, Sudoku Variants
Also tagged Flower Sudoku, IQ, rules, technique, Twin Nonets
7 Responses
