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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 February!

February is a time to celebrate Black History Month, Ground Hog Day, and Valentine's Day!

New puzzles have been added for Black History Month, including a BINGO Game. Check back often for NEW puzzles!