20,000 Advanced Puzzles

These are the “advanced” puzzles. These can be solved using the advanced techniques, as described in How to solve.

The puzzles are available in printable form as PDF files. Each file contains 100 puzzles, with 2 puzzles per page.

If you really enjoy these puzzles, consider making a contribution to support the continued existence of this web site. Click on the Tip Jar below to make a $15 payment via PayPal. Think of how much you have to pay for Sudoku books in the store. And think about how many puzzles you can download from this site.

Puzzles

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Answers

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