Here is something completely new! A new variant of Sudoku puzzles, previously unseen anywhere! Two overlapping Outside Sudoku puzzles arranged in the Twodoku format. What else needs to be said? Well, just that some clues had to be left on the inside, too. Those are regular Sudoku clues and you use them as usual. The [...]
Puzzle book for 2013!
10% discount in UK!
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Sample Puzzles!
FREE Puzzles!
FREE Sudoku variants!
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