New book : Explosion of Binairos
- Details
I present to you my first book of 2026 named : Explosion of Binairos. This book has 1000 puzzles.

Binairo is a simple logic puzzle that often requires subtle reasoning to solve and has attracted many fans. My book will delight all fans of logic games. Here are three puzzles of varying levels of difficulty.
1)

Puzzle :bina_10x10_000625.pdf
Solution :bina_10x10_000625_sol.pdf
2)

Puzzle :bina_10x10_014373.pdf
Solution :bina_10x10_014373_sol.pdf
3)

Puzzle :bina_10x10_026842.pdf
Solution :bina_10x10_026842_sol.pdf
Explosion of Binairos is available on Amazon.
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Explosion of Binairos
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Have fun !
No commentsHidoku # 21
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Recently, I revisited hidokus. Those who visit my site know that I have created several variations of this puzzles. Being able to modify the shape of the grids and also the boxes gives the puzzle creator a lot of freedom. So here is a new version based on the theme of twisted circles (at least, that's what I call them now). The one I'm presenting to you is a union of two circles. As in any hidoku, you have to connect the gray boxes by jumping from box to box to make a path. Just number each empty box along the path. Now it's your turn to play.
Rules : Hidoku's Rules
1)

Puzzle :rumbof_10_2_00079.pdf
Solution :rumbof_10_2_00079_sol.pdf
Have a good day.
Binairo # 1
- Details
Soon I intend to introduce you to some new puzzles. These will include a new form of Sudoku and a few more variations on Hidoku. Today, I'd like to introduce you to Binairo, which is gaining more and more fans. There are three rules to follow.
1- You must complete a grid with the numbers 0 and 1 so that each column and row has the same number of 0s and 1s.
2- There cannot be three consecutive identical numbers either vertically or horizontally.
3- Each row must be different from each other, and the same applies to the columns.
Soon, I will write an article with tips to help you solve them.
Here are two puzzles.
1)

Puzzle :bina_10x10_002640.pdf
Solution :bina_10x10_002640_sol.pdf
2)

Puzzle :bina_10x10_015037.pdf
Solution :bina_10x10_015037_sol.pdf
Have fun !
Super Spark Suduku # 12
- Details
It's been five years since I last presented any Super Spark Sudokus puzzles, so to make up for it, here are two. Spark Sudoku is a Sudoku puzzle with a star-shaped grid. In this case, there are two seven-pointed star grids (a heptagram). It is “super” in that it differs from simple Spark Sudoku in that it has longer columns where you have to enter the numbers 1 to 12. A row or column starts at one of the points and ends at the next point. So here are two games for your enjoyment.
1)

Puzzle :spark_6_7_00050.pdf
Solution :spark_6_7_00050_sol.pdf
2)

Puzzle :spark_6_7_01030.pdf
Solution :spark_6_7_01030_sol.pdf
You could find these delicious puzzles in the following books available on Amazon.
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Spark Sudoku Challenge 1
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Super Spark Sudoku Challenge 1
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The Ultimate 3D Sudoku book
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Have fun!.
Sudoku # 5 Diagonal
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Here are some X sudokus, also known as diagonal sudokus. Just like as a classic sudoku, you must fill each column, row, and region with the numbers 1 to 9, but in addition, the two diagonals, the ones with gray squares, must also contain the numbers 1 to 9. This additional constraint can both help or complicate things a little. Here are three waiting for you.
1)

Puzzle :sudo_X_06451.pdf
Solution :sudo_X_06451_sol.pdf
2)

Puzzle :sudo_X_06452.pdf
Solution :sudo_X_06452_sol.pdf
3)

Puzzle :sudo_X_06453.pdf
Solution :sudo_X_06453_sol.pd
Enjoy!
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