Clueless Killer Sudoku #2

For those who don’t get enough challenge from Killer Samurai Sudoku nor from Harakiri nor from Twin Killer nor from any other overlapping, odd/even, consecutive or greater/less than sudoku – here is the ultimate challenge – my second ever Clueless…

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Butterfly Killer Samurai Sudoku

Weekend Special: Butterfly Samurai Killer Sudoku with diagonally adjacent cells! This puzzle consists of 20 (twenty) 9×9 Sudoku sub-puzzles. There are 5 groups of 4 puzzles. Each group of 4 is arranged Butterfly-style, and those 5 groups are arranged Samurai-style.…

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Killer Samurai

Another Killer Samurai with full (quad) symmetry! This time it’s more (but not terribly) difficult. I’m gone skiing for the weekend, so I hope these puzzles will last you until Monday. 🙂

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