Merry Christmas to all who celebrate this day! 🙂 As a small gift for you, I’ve prepared an odd-even sudoku variation puzzle. It’s not the first odd even puzzle I ever posted, but it is the first plain odd even sudoku. And to spice things up a little bit, this is a very difficult odd/even […]
It’s been a while since I last posted a Samurai Sudoku variant puzzle. Here is a new one. As far as I remember, I never posted such puzzle before. Remember: shaded cells MUST contain only ODD numbers! OddEven Jigsaw Samurai Sudoku for Thursday, January 14, 2010 – Difficulty: COOL. Click on the puzzle thumbnail to […]
After a few weeks without Kakuro puzzles, this week I’ve prepared an extra special Kakuro puzzle: it’s a Non-Consecutive, Greater/Less Than, Odd/Even Kakuro puzzle! Rules: Solve the puzzle so that the numbers in every horizontal and vertical region add up to the sum indicated for that region. Numbers CAN NOT be repeated in any region. […]
Here is something brand new – an Odd/Even Killer Sudoku puzzle. If you ignore the odd/even part, this puzzle has many solution. So, you must use the grey cells (and not only those in your head) in order to solve this one. Important: Cells with shaded background must contain ODD numbers, other cells must hold […]
It’s been a while! 🙂 For various reasons I haven’t made any posts in the last few months but that’s about to change. Thanks to Princess Amy, I’m presenting you a very special Sudoku puzzle. It consists of 1 Killer, 1 Odd/Even, 1 , 1 Consecutive and 1 Butterfly Sudoku puzzle, arranged Samurai Sudoku-style. Make […]
How many Sudoku variants are there? I don’t know. To calculate, you’d have to multiply the number of overlapping types with the number of variants that impose additional constraints on each puzzle. I produce puzzles with 5 different constraints: Killer, Odd/Even, Greater/Less than, Consecutive, and Non-Consecutive. But then again, you can put an “X” on […]