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Fast and Exciting!

Sixy Sudoku offer all the fun of regular sudoku, but without the time consuming hard work. Because only digits 1-6 are used, there is instant overview, making errors unlikely. The extra layer of logic makes you think quite hard, but even the toughest Sixys still take much less time than 9×9 sudoku!

We offer 10 books by Peter Ritmeester, both Regular and Wacky, ranging from very easy to very hard. And a free app with no less than 500 Sixys!

Publishers and Newspapers worldwide: You can publish Sixy Sudoku as well! Just contact Peter Ritmeester at, see button below.