Tag Archives: rules

Hidoku: The puzzle craze continues, volume 3, 200 puzzles

Hidato book 200 puzzles

Volume 3 of my Hidoku series of books is now available on Amazon! Hidoku puzzles are not variants of Sudoku. Hidoku rules are completely different from Sudoku. You must fill in the grid by creating a path of consecutive numbers, starting with 1, ending with whatever the largest number in a puzzle is, making sure […]

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CalcuDoku for Kindle

KenKen for Kindle

The 10th game for Kindle that I’ve published is: CalcuDoku for Kindle, Kindle Touch, Kindle DX and Kindle Keyboard (all e-ink Kindle devices) You know that these games are know under many different names, including MathDoku, Square Wisdom, Opdoku and other, “official” names. Whatever you call them, the rules of CalcuDoku are always the same: […]

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Outside Sudoku for Kindle Touch and other Kindles

Outside Sudoku

Here it is, my first game that works on Kindle Touch as well as all other black and white e-ink Kindles (“new Kindle”, Kindle DX, Kindle keyboard, 2nd gen, 3rd gen). Outside Sudoku: thinking outside the box! for Kindle Now, get this… if you click on this image and pay just $0.99 you get 120 […]

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Diagonal Sudoku for Kindle

It’s been a few years since I published this Diagonal sudoku book: Tweet Now, I brought this exact same book to Amazon Kindle Diagonal Sudoku: 200 puzzles with an X is now available as an interactive Sudoku game on Kindle! I’m sure you all know, but just to make things clear, this is a collection […]

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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 […]

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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. […]

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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 […]

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