Merry Christmas! You have been around the sudoku world in your reindeer led sleigh and have mastered Easy, Medium, and Hard Sudoku! You have arrived at Expert Christmas Sudoku, our top level of online sudoku at SudokuChristmas.com! Hallelujah! Play expert Sudoku if you cherish lengthy, advanced strategic sudoku play as much as you love the joy of Christmas!

The objective of Expert Christmas Sudoku is the same as all other sudoku games on the Christmas Sudoku site. To win, add the numbers one through nine to any open space on the sudoku board. Remember, each number can be added only once to each column, row, and 3x3 square in the sudoku grid. Expert sudoku will require players to use fun techniques to win this strategy game for the best sudoku players around! One technique you can use this Christmas is called the X-Wing. We know, reindeers have hooves, not wings, but this puzzle game technique really works! This sudoku strategy takes a look at single numbers in rows and columns. The rule of the X-Wing is that there are only two possible cells for a value in each of two different sudoku rows. These two sudoku cells lie in the same columns so that all other candidates for this value in the columns can be eliminated.

Do not worry if you do not win the first couple games of Expert Christmas Sudoku that you play! There are hundreds of unique Expert Christmas Sudoku games for you to try your hand at! While you are playing this joyful Christmas Sudoku game remember that you should take notes for such an advanced level of play. 24/7 games provides you with a handy and festive pencil to takes notes during this sudoku game. Find this pencil at the bottom right hand corner of the sudoku board!