|we turn coffee into puzzles
|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: Brainfreeze Puzzle Page! Includes variations from all six of our books.
|Find out more about Brainfreeze Puzzles and Sudoku in the links below: firstname.lastname@example.org.