we turn coffee into puzzles

Enter the Brainfreeze Fall Semester 2008 Sudoku Challenge!

COLOR SUDOKU contains 180 colorful, hand-designed Sudoku variation puzzles with additional rules that will challenge you to rethink your old Sudoku strategies and devise new ones. Published by Sterling Publishing and available now online and in stores, including at: Amazon.com Barnes & Noble Watch our How to Play Sudoku video at MonkeySee.com. You can play along by printing the Sudoku puzzle that we use in the video.	Free example puzzles and solving tips for all twenty-four types of Sudoku variations in our COLOR SUDOKU book: Diagonals Zones Irregular Rainbow Math Need an even bigger challenge? Try your hand at even crazier Sudoku variations in our five-page Brainfreeze Puzzle Pack! Includes color variations as well as Clock Sudoku, Double Pentominoku, Sudokube, Samurai X, Three-Relay, and Hexagoku.	Find out more about Brainfreeze Puzzles and Sudoku in the links below: Who are we? Brainfreeze philosophy Sudoku links We provide puzzles to a number of publications and organizations: Published puzzles Custom Sudoku puzzles Sudoku syndication Want to contact us or join our email list? Email filora@brainfreezepuzzles.com.