Category Archives: General

Everything that is not categorized.

Where are the daily puzzles gone?

Dear all, First I must apologize for keeping you in the dark regarding what’s going on with the daily puzzles. The truth is that I’ve been working hard on my PhD thesis and just had no time to update the daily and weekly puzzles pages. Now… the daily Killer Sudoku, the daily Sudoku variants and […]
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Futoshiki

The rules of Futoshiki are very simple: 1. The grid is square and can be of any size. Use numbers 1 to the size of the grid to solve the puzzle. 2. Numbers cannot be repeated in a row or column. All numbers must appear in each row and in each column. 3. The “more […]
Futoshiki plus gifts

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Pirates’ Games

This is not a puzzle related post. 🙂 It’s a brain teaser (I used to post brain teasers years ago). I’ve been studying game theory lately and wanted to share one “classic” problem of this discipline with you. See if you can solve it by yourself. Post your solution as comments below this post. So… […]
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Sudoku Straights – a hybrid between Poker and Sudoku – puzzle game for Kindle

During the summer I’ve prepared more Kindle games for you. First up is Sudoku Straights – Poker Sudoku – a game for Amazon Kindle, new Kindle, Kindle Touch etc This collection of puzzles was previously released as a paperback book, but now it is also available on all e-ink Kindle devices. It’s a fully featured […]
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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 […]
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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 […]
Also posted in Killer Sudoku, Reviews, Samurai sudoku, Washington Post | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , | 6 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
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