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Sudoko Challenge

Play Now! No open game boards.
Start New Board
  • Click or use arrows to move between boxes.
  • Pencil marks are made by typing in #'s into the boxes. To clear a pencil mark, retype the #.
  • Pen marks are made by holding the shift or control key down and entering a #. If the # is incorrect, it will light up red within a minute.
  • Your opponents board is located below. Green squares indicate a correct move, Red indicate an incorrect move.
New to Sudoku? Click Here to learn more about the hottest number game!

View the High Scores!

This game is written using AJAX technology.

Sudoku Challenge is a trademark of RustyBrick, Inc.