New from Djape!
-
Random puzzle for today!
Books
FREE Puzzles!
FREE Sudoku variants!
- Butterfly Sudoku
- Clueless Sudoku
- Consecutive Sudoku
- Diagonal Sudoku
- Flower Sudoku
- Frame Sudoku
- Greater than Sudoku
- Hyper Sudoku
- Insane Killer Sudoku
- Jigsaw Sudoku
- Killer Samurai Sudoku
- Killer Sudoku 10×10
- Loco Sudoku
- Multi Sudoku
- Non Consecutive Sudoku
- Odd Even Sudoku
- Outside Sudoku
- Sudoku Harakiri
- Sudoku Samurai
- Sudoku Straights
- Super Samurai Sudoku
- TwoDoku
Links
Sample Puzzles!
Tag Archives: solving technique
How to solve Hitori: basic techniques
Solving Hitori puzzles is about recognizing patterns. I will show you some examples of those patterns. They can be split into two groups, one of those that depend solely on the initial positioning of numbers, and another group of patterns that depend on the black and white cells which have been painted in the solving […]
Posted in Puzzle variants, Solving tips
Also tagged EASY, HITORI, how to solve, IQ, technique
Leave a comment
How to solve Hidoku: “cornering” (or “dead-end”)
Here is an explanation of a Hidato solving technique that some people might find obvious and they use it without even thinking of it as a special technique. But, for those who still struggle with the more difficult puzzles, here is a quick guide of the technique that I call “cornering“. It can be used […]
Posted in Puzzle variants, Solving tips
Also tagged CONSECUTIVE, hidato, hidoku, how to solve, IQ, technique
2 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, overlapping sudoku, sample puzzle, samurai, sudoku solving technique, Sudoku Variant, Sudoku Variant Puzzle, technique, twodoku, variant
3 Responses
Griddlers
Ok, this time I will show you a hanjie puzzle that is relatively straightforward until halfway through the puzzle you come to a point where you have to use one advanced solving technique. It will be explained in detail in the next few days. Until then – try to solve it yourself! UPDATE: There is […]
Posted in Free sample puzzles, Picross
Also tagged griddlers, hanjie, IQ, pic-a-pix, technique, UPDATE
1 Response
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, overlapping sudoku, rules, technique, Twin Nonets
7 Responses
Swordfish
A while ago I explained the X-Wing solving technique. Recently I shown my explanation of other basic, Classic Sudoku solving techniques. The only remaining solving method that I don’t consider trial and error is Swordfish. So, to complete the list of Sudoku solving tips, here is an example of a Sudoku puzzle that can be […]
Posted in Solving tips
Also tagged Classic Sudoku, IQ, Perfect Sudoku, solving tip, solving tips, sudoku solving technique, swordfish, technique, x-wing
34 Responses
Classic Sudoku Solving Techniques
It’s about time I finally explained the basic (and most common) Sudoku solving techniques. Most of you are already familiar with these, but for those who aren’t – I’d like to show my explanation. These techniques are used in ALL sudoku puzzles – Classic, Killer, Samurai and others. Make sure you fully understand them before […]
Posted in Samurai sudoku, Solving tips
Also tagged Classic Sudoku, hidden subsets, interactions, IQ, killer, naked subsets, pencilmarks, samurai, SUBSETS, sudoku solving technique, swordfish, technique, x-wing
10 Responses
