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.

Author Archives: djape

Optical illusion: A girl in inverted colors

This is not a sudoku puzzle. 🙂 It’s an optical illusion. I think it’s nice to take a break every once in a while and do something different. So… in this optical illusion we have an image of a girl with inverted colors (a “negative” image). What you need to do to make this optical […]
Posted in General | 7 Responses

Hitori puzzle: big and difficult

It’s been a while since I last posted this kind of puzzle. You can read about these “reverse sudoku” puzzles here: – The rules of Hitori – How to solve Hitori This one I’m posting now is going to be a difficult one. I hope. Some have claimed that my Hitori puzzles are not difficult. […]
Hitori

Posted in Free sample puzzles, Puzzle variants | Tagged , , | 1 Response

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 | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , | 6 Responses

Jigsaw Sudoku: Squiggly puzzles

A few hours ago another review came in. This time it’s for Jigsaw Sudoku: 150 very twisted puzzles. It’s another short review. Also 5/5 stars. This Jigsaw Sudoku book, containing nothing but the squiggly variant of sudoko puzzles, has 5 reviews so far. 4 of them are 5/5 stars, with just one being 3/5 stars. […]
Posted in Jigsaw Sudoku, Reviews | Tagged , , , , , , , , , , , , , | Leave a comment

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

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

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 | Tagged , , , , , , , , | 2 Responses

Happy New Year! :) (Killer Sudoku and Samurai Sudoku will be updated shortly)

Hi folks! Santa on this website wasn’t very nice to you, was he? Sorry for that… I will talk to him and make sure that as of Thursday, January 5, 2012 you start getting the daily Killer Sudoku, daily Sudoku variants and bi-weekly Samurai Sudoku puzzles again. Happy New Year and best wishes! 🙂 Djape
Posted in General, Killer Sudoku, Samurai sudoku, Sudoku Variants | Tagged , , , , , , , , , , , , , , | Leave a comment

Triangular Sudoku – Tridoku: Interesting variation on classic sudoku

Here is another review of my Tridoku book. This time it’s a 4/5 stars, but I think it’s still a very positive review. 🙂 If you feel you have solved too many sudoku/kenken puzzles and need a little variety, this book is for you. The rules are a bit more complicated than regular sudoku. But […]
Posted in Reviews | Tagged , , , , , , | Leave a comment

Outside Sudoku and its variants: You Really Should Try this Type of Sudoku

After two new book reviews from Amazon that I posted, here I’m posting all reviews of one of the books that should catch your attention: Outside Sudoku and its variants. This book is special because it contains a variety of a variety. 🙂 Outside Sudoku puzzles have essentially the same rules as classic Sudoku, but […]
Posted in Jigsaw Sudoku, Reviews | Tagged , , , , , , , , , , , , , , , , , , , , , , , , | 2 Responses

Tridoku – Triangular Sudoku puzzles: Great book A+ (new book review on Amazon)

Wow! Two book reviews in two days! Both 5/5 stars. 🙂 Thank you folks!!! I guess it means you enjoy the books. Again, your reviews are really important, not only to me but to other people who solve puzzles. Every review is most appreciated and will be posted here (new ones first, old ones occasionally) […]
Posted in Reviews | Tagged , , , , , | Leave a comment
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