We source puzzles from reputable creators, publications, and competitions. Each puzzle is solved and rated by our team to ensure quality and accurate difficulty classification.

We update our resource directory weekly, adding new websites, tools, and apps as we discover them. Our puzzle collection receives new additions twice a week.

Yes! Our technique guides start with the basics and gradually progress to more advanced methods. Each technique includes clear examples and practice puzzles.

Absolutely! We welcome community contributions. You can submit puzzles, resource recommendations, or technique guides through our submission form.

Techniques are categorized by complexity (basic, intermediate, advanced) and type (elimination, pattern recognition, etc.). Each technique page includes when and how to apply it effectively.

Yes, all puzzles in our collection can be downloaded as printable PDFs. We also offer specialized printable practice sheets for specific techniques.

Before adding a resource to our directory, we thoroughly test it for quality, accuracy, and user experience. We only recommend resources that meet our high standards.

Yes! Our 'Puzzle Design' section includes guides on creating balanced and interesting sudoku puzzles, along with recommended tools for puzzle construction.

Create a free account to track which puzzles you've solved and techniques you've mastered. Our learning path will adapt to your progress and suggest appropriate next steps.

Yes, we explore sudoku variations from around the world, including regional rule modifications and culturally specific puzzle types with their unique solving approaches.