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Very Challenging Puzzles

Here is the section of our Puzzle Book Ninja website reserved especially for puzzle solvers who love more challenging puzzles. Themes are varied, puzzle types are varied. Puzzles support brain health, activate the puzzle ninja within, and stimulate creativity. Check back often for new challenging puzzles.



Happy Valentine's!

It's just about here! Valentine's Day. Here is the direct link to our ever growing Valentine's Day Puzzle collection. We are now adding some really cool word search puzzles for this category: Word Search Puzzles - Valentine's Day. Please note: it's still growing!

Still looking for a challenge? Try the Samurai Sudoku - Beginner Puzzles. They are a hit!

Remember to check back often for puzzle updates.

New Arrival Portillon puzzle