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Pi Day Sudoku Challenge
The 2015 edition of the Pi Day Sudoku Challenge is here, and this time it's SUPER PI DAY! If you submit a correct solution, you could win a book!
Free example puzzles and solving tips for all twenty-four types of Sudoku variations in our Color Sudoku book: Need more puzzles? Try your hand at our Brainfreeze Puzzle Page! Includes variations from all six of our books.
Find out more about Brainfreeze Puzzles and Sudoku in the links below: Want to contact us or join our email list? Email filora@brainfreezepuzzles.com.