The Home of Perfect Sudoku and other puzzles
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…
This is my largest CalcuDoku puzzle so far. Previously I published a CalcuDoku Samurai 7×7, but this time the puzzle is even larger: 8×8 CalcuDoku Samurai for Saturday, February 28, 2009. Questions, comments and suggestions are more than welcome!
Another rather large Kendoku puzzle for the end of week. This time there are 4 puzzles arranged in a “Ring”. 7×7 Diagonal Kendoku Ring for Friday, October 17, 2008.
9×9 Diagonal Kendoku X for Wednesday, October 15, 2008.
Time for another “vanilla” Kendoku puzzle, also known as CalcuDoku. 6×6 Kendoku for Tuesday, October 14, 2008.
Another brand new variety for you – Non-Consecutive Kendoku So, in addition to all Kendoku rules, there is one extra: two adjacent cells MUST NOT contain two consecutive numbers. 8×8 Non-Consecutive Kendoku for Monday, October 13, 2008.
Today’s Kendoku puzzle should take you through the weekend. 🙂 It’s my first ever Kendoku Samurai (Gattai-5)! To clarify things again: numbers CAN BE repeated in cages. 7×7 Kendoku Samurai for Friday, October 10, 2008. Questions, comments and suggestions are…
After a few Kendoku variants thay I’ve posted in the last 7 days, today I post my first classic Kendoku puzzle. However, it does have one special property – see if you can find what it is. Again, there are…
Some may not like the fact that today’s puzzle isn’t actually a SquareWisdom puzzle, instead, it’s actually a true hybrid between Killer Sudoku and Kendoku. Having implemented Kendoku puzzles into my solver&generator program, it was a no brainer to extend…
Today’s puzzle is a diagonal Kendoku variant. In addition to all other standard Kendoku rules, there is one extra for this puzzle: the numbers cannot be repeated on either diagonal, just like they can’t be repeated on any row/column. This…