Free download – Colorculate! – 120 calcdoku puzzles, from simple to brain-teasing
If you have a taste for this math puzzle after the online calkdokus from the previous Voor Nop, you can ...
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Free download – Calcdoku – A kind of sudoku but for advanced users
There are still a lot of people who grind their brains every day while solving a sudoku. But did you ...
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