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.

Tag Archives: overlapping sudoku

Super Samurai Sudoku 13 grids

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 […]
Super Samurai Sudoku 13 grids

Posted in Free sample puzzles, Samurai sudoku, Sudoku Variants | Also tagged , , , , , , , , , , | 6 Responses

Twodoku

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 […]
Sudoku Variants Puzzles Book

Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , , , , , , , , | Leave a comment

Butterfly Sudoku

I realized that I never posted a classic Butterfly Sudoku puzzle on the main page of the website. A few of them have been posted on the Daily Sudoku Variants page, but the puzzles posted there disappear from this website after a week. So… to rectify this issue, I am presenting you with a Butterfly […]
Loco Sudoku Puzzle Book Cuckoo Wacky Quirky

Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , , , , , , , , , , , , , , | 2 Responses

Why do I make puzzles? A brief history of Djape.net

A short answer to that question would be: because I enjoy doing it! … but here is a long version, too. Back in the summer of 2005 I realized that it’s about time I had my own website. At that point I had been computer programming for years and it kinda made sense that I […]
Posted in General, Killer Sudoku, Reviews, Samurai sudoku, Washington Post | Also tagged , , , , , , , , , , , , , , , , , , , , , , , , , | 6 Responses

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 , , , , , , , , , , , , , , , | Leave a comment

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 […]
Fiendish Killer Sudoku Book

Posted in Free sample puzzles, Killer Sudoku, Puzzle variants | Also tagged , , , , , , | 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 […]
Flower Sudoku, Gattai 5 in 1 Su Doku

Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , , , , , | 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 […]
Consecutive Sudoku Compendium

Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , , , | 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 , , , , , , , , , , , , , , , , , , , | 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 […]
Sudoku Straights for Kindle

Posted in Free sample puzzles, Killer Sudoku | Also tagged , , , , , , , , , | 7 Responses
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