SUDOKU PLACE DIFFICULT PUZZLE ARCHIVE

Some people just are not challenged by anything but the more difficult sudoku puzzles. This archive is for them. Note that, although challenging, none of these sudoku ever require any guesswork -- logic alone will get you through them eventually! Enjoy!

  • 7-3-05
  • 7-4-05
  • 7-5-05
  • 7-9-05
  • 7-10-05
  • 7-16-05
  • 7-17-05
  • 7-23-05
  • 7-24-05
  • 7-30-05
  • 7-31-05
  • 8-6-05
  • 8-7-05
  • 8-13-05
  • 8-14-05
  • 8-20-05
  • 8-21-05
  • 8-27-05
  • 8-28-05
  • 9-3-05
  • 9-4-05
  • 9-10-05
  • 9-11-05
  • 9-16-05
  • 9-17-05
  • 9-18-05
  • 9-24-05
  • 9-25-05
  • 9-30-05
  • 10-1-05
  • 10-2-05
  • 10-8-05
  • 10-9-05
  • 10-15-05
  • 10-16-05
  • 10-22-05
  • 10-23-05
  • 10-29-05
  • 10-30-05
  • 11-5-05
  • 11-11-05
  • 11-12-05
  • 11-18-05
  • 11-19-05
  • 11-25-05
  • 11-26-05
  • 12-2-05
  • 12-3-05
  • Even more difficult sudoku are available in my 100 Difficult Sudoku eBook
  • 12-9-05
  • 12-10-05
  • 12-16-05
  • 12-17-05
  • 12-23-05
  • 12-24-05
  • 12-30-05
  • 12-31-05
  • 1-6-06
  • 1-7-06
  • 1-13-06
  • 1-14-06
  • 1-20-06
  • 1-21-06
  • 1-27-06
  • 1-28-06
  • 2-3-06
  • 2-4-06
  • 2-10-06
  • 2-11-06
  • 2-17-06
  • 2-18-06
  • 2-24-06
  • 2-25-06
  • 3-3-06
  • 3-4-06
  • 3-10-06
  • 3-11-06
  • 3-17-06
  • 3-18-06
  • 3-24-06
  • 3-25-06
  • 3-31-06
  • 4-1-06
  • 4-7-06
  • 4-8-06
  • 4-14-06
  • 4-15-06
  • 4-21-06
  • 4-22-06
  • 4-28-06
  • 4-29-06
  • 5-5-06
  • 5-6-06
  • 5-12-06
  • 5-13-06
  • 5-19-06
  • 5-20-06
  • 5-26-06
  • 5-27-06
  • 6-2-06
  • 6-3-06
  • 6-9-06
  • 6-10-06
  • 6-16-06
  • 6-17-06
  • 6-23-06
  • 6-24-06
  • 6-30-06
  • 7-1-06
  • 7-7-06
  • 7-8-06
  • 7-14-06
  • 7-15-06
  • 7-21-06
  • 7-22-06
  • 7-28-06
  • 7-29-06
  • 8-4-06
  • 8-5-06
  • 8-11-06
  • 8-12-06
  • 8-18-06
  • 8-19-06
  • 8-25-06
  • 8-26-06
  • 9-1-06
  • 9-2-06
  • 9-8-06
  • 9-9-06
  • 9-15-06
  • 9-16-06
  • 9-22-06
  • 9-23-06
  • 9-29-06
  • 9-30-06
  • 10-6-06
  • 10-7-06
  • 10-13-06
  • 10-14-06
  • 10-20-06
  • 10-21-06
  • 10-27-06
  • 10-28-06
  • 11-3-06
  • 11-4-06
  • 11-10-06
  • 11-11-06
  • 11-17-06
  • 11-18-06
  • 11-24-06
  • 11-25-06
  • 12-1-06
  • 12-2-06
  • 12-8-06
  • 12-9-06
  • 12-15-06
  • 12-16-06
  • 12-22-06
  • 12-23-06
  • 12-29-06
  • 12-30-06
  • 1-5-07
  • 1-6-07
  • 1-12-07
  • 1-13-07
  • 1-19-07
  • 1-20-07
  • 1-26-07
  • 1-27-07
  • 2-2-07
  • 2-3-07
  • 2-9-07
  • 2-10-07
  • 2-16-07
  • 2-17-07
  • 2-23-07
  • 2-24-07
  • 3-2-07
  • 3-3-07
  • 3-9-07
  • 3-10-07
  • 3-16-07
  • 3-17-07
  • 3-23-07
  • 3-24-07
  • 3-30-07
  • 3-31-07
  • 4-6-07
  • 4-7-07
  • 4-13-07
  • 4-14-07
  • 4-20-07
  • 4-21-07
  • 4-27-07
  • 4-28-07
  • 5-4-07
  • 5-5-07
  • 5-11-07
  • 5-12-07
  • 5-18-07
  • 5-19-07
  • 5-25-07
  • 5-26-07
  • 6-1-07
  • 6-2-07
  • 6-8-07
  • 6-9-07
  • 6-15-07
  • 6-16-07
  • 6-22-07
  • 6-23-07
  • 6-29-07
  • 6-30-07
  • 7-6-07
  • 7-7-07
  • 7-13-07
  • 7-14-07
  • 7-20-07
  • 7-21-07
  • 7-27-07
  • 7-28-07
  • 8-3-07
  • 8-4-07
  • 8-10-07
  • 8-11-07
  • 8-17-07
  • 8-18-07
  • 8-24-07
  • 8-25-07
  • 8-31-07
  • 9-1-07
  • 9-7-07
  • 9-8-07
  • 9-14-07
  • 9-15-07
  • 9-21-07
  • 9-22-07
  • 9-28-07
  • 9-29-07
  • 10-5-07
  • 10-6-07
  • 10-12-07
  • 10-13-07
  • 10-19-07
  • 10-20-07
  • 10-26-07
  • 10-27-07
  • 11-2-07
  • 11-3-07
  • 11-9-07
  • 11-10-07
  • 11-16-07
  • 11-17-07
  • 11-23-07
  • 11-24-07
  • 11-30-07
  • 12-1-07
  • 12-7-07
  • 12-8-07
  • 12-14-07
  • 12-15-07
  • 12-21-07
  • 12-22-07
  • 12-28-07
  • 12-29-07
  • 1-4-08
  • 1-5-08
  • 1-11-08
  • 1-12-08
  • 1-18-08
  • 1-19-08
  • 1-25-08
  • 1-26-08
  • 2-1-08
  • 2-2-08
  • 2-8-08
  • 2-9-08
  • 2-15-08
  • 2-16-08
  • 2-22-08
  • 2-23-08
  • 2-29-08
  • 3-1-08
  • 3-7-08
  • 3-8-08
  • 3-14-08
  • 3-15-08
  • 3-21-08
  • 3-22-08
  • 3-28-08
  • 3-29-08
  • 4-4-08
  • 4-5-08
  • 4-11-08
  • 4-12-08
  • 4-18-08
  • 4-19-08
  • 4-25-08
  • 4-26-08
  • 5-2-08
  • 5-3-08
  • 5-9-08
  • 5-10-08
  • 5-16-08
  • 5-17-08
  • 5-23-08
  • 5-24-08
  • 5-30-08
  • 5-31-08
  • 6-6-08
  • 6-7-08
  • 6-13-08
  • 6-14-08
  • 6-20-08
  • 6-21-08
  • 6-27-08
  • 6-28-08
  • 7-4-08
  • 7-5-08
  • 7-11-08
  • 7-12-08
  • 7-18-08
  • 7-19-08
  • 7-25-08
  • 7-26-08
  • 8-1-08
  • 8-2-08
  • 8-8-08
  • 8-9-08
  • 8-15-08
  • 8-16-08
  • 8-22-08
  • 8-23-08
  • 8-29-08
  • 8-30-08
  • 9-5-08
  • 9-6-08
  • 9-12-08
  • 9-13-08
  • 9-19-08
  • 9-20-08
  • 9-26-08
  • 9-27-08
  • 10-3-08
  • 10-4-08
  • 10-10-08
  • 10-11-08
  • 10-17-08
  • 10-18-08
  • 10-24-08
  • 10-25-08
  • 10-31-08
  • 11-1-08
  • 11-7-08
  • 11-8-08
  • 11-14-08
  • 11-15-08
  • 11-21-08
  • 11-22-08
  • 11-28-08
  • 11-29-08
  • 12-5-08
  • 12-6-08
  • 12-12-08
  • 12-13-08
  • 12-19-08
  • 12-20-08
  • 12-26-08
  • 12-27-08
  • 1-2-09
  • 1-3-09
  • 1-9-09
  • 1-10-09
  • 1-16-09
  • 1-17-09
  • 1-23-09
  • 1-24-09
  • 1-30-09
  • 1-31-09
  • 2-6-09
  • 2-7-09
  • 2-13-09
  • 2-14-09
  • 2-20-09
  • 2-21-09
  • 2-27-09
  • 2-28-09
  • 3-6-09
  • 3-7-09
  • 3-13-09
  • 3-14-09
  • 3-20-09
  • 3-21-09
  • 3-27-09
  • 3-28-09
  • 4-3-09
  • 4-4-09
  • 4-10-09
  • 4-11-09
  • 4-17-09
  • 4-18-09
  • 4-24-09
  • 4-25-09
  • 5-1-09
  • 5-2-09
  • 5-8-09
  • 5-9-09
  • 5-15-09
  • 5-16-09
  • 5-22-09
  • 5-23-09
  • 5-29-09
  • 5-30-09
  • 6-5-09
  • 6-6-09
  • 6-12-09
  • 6-13-09
  • 6-19-09
  • 6-20-09
  • 6-26-09
  • 6-27-09
  • 7-3-09
  • 7-4-09
  • 7-10-09
  • 7-11-09
  • 7-17-09
  • 7-18-09
  • 7-24-09
  • 7-25-09
  • 7-31-09
  • 8-1-09
  • 8-7-09
  • 8-8-09
  • 8-14-09
  • 8-15-09
  • 8-21-09
  • 8-22-09
  • 8-28-09
  • 8-29-09
  • 9-4-09
  • 9-5-09
  • 9-11-09
  • 9-12-09
  • 9-18-09
  • 9-19-09
  • 9-25-09
  • 9-26-09
  • 10-2-09
  • 10-3-09
  • 10-9-09
  • 10-10-09
  • 10-16-09
  • 10-17-09
  • 10-23-09
  • 10-24-09
  • 10-30-09
  • 10-31-09
  • 11-6-09
  • 11-7-09
  • 11-13-09
  • 11-14-09
  • 11-20-09
  • 11-21-09
  • 11-27-09
  • 11-28-09
  • 12-4-09
  • 12-5-09
  • 12-11-09
  • 12-12-09
  • 12-18-09
  • 12-19-09
  • 12-25-09
  • 12-26-09
  • 1-1-10
  • 1-2-10
  • 1-8-10
  • 1-9-10
  • 1-15-10
  • 1-16-10
  • 1-22-10
  • 1-23-10
  • 1-29-10
  • 1-30-10
  • 2-5-10
  • 2-6-10
  • 2-12-10
  • 2-13-10
  • 2-19-10
  • 2-20-10
  • 2-26-10
  • 2-27-10
  • 3-5-10
  • 3-6-10
  • 3-12-10
  • 3-13-10
  • 3-19-10
  • 3-20-10
  • 3-26-10
  • 3-27-10
  • 4-2-10
  • 4-3-10
  • 4-9-10
  • 4-10-10
  • 4-16-10
  • 4-17-10
  • 4-23-10
  • 4-24-10
  • 4-30-10
  • 5-1-10
  • 5-7-10
  • 5-8-10
  • 5-14-10
  • 5-15-10
  • 5-21-10
  • 5-22-10
  • 5-28-10
  • 5-29-10
  • 6-4-10
  • 6-5-10
  • 6-11-10
  • 6-12-10
  • 6-18-10
  • 6-19-10
  • 6-25-10
  • 6-26-10
  • 7-2-10
  • 7-3-10
  • 7-9-10
  • 7-10-10
  • 7-16-10
  • 7-17-10
  • 7-23-10
  • 7-24-10
  • 7-30-10
  • 7-31-10
  • 8-6-10
  • 8-7-10
  • 8-13-10
  • 8-14-10
  • 8-20-10
  • 8-21-10
  • 8-27-10
  • 8-28-10
  • 9-3-10
  • 9-4-10
  • 9-10-10
  • 9-11-10
  • 9-17-10
  • 9-18-10
  • 9-24-10
  • 9-25-10
  • 10-1-10
  • 10-2-10
  • 10-8-10
  • 10-9-10
  • 10-15-10
  • 10-16-10
  • 10-22-10
  • 10-23-10
  • 10-29-10
  • 10-30-10
  • 11-5-10
  • 11-6-10
  • 11-12-10
  • 11-13-10
  • 11-19-10
  • 11-20-10
  • 11-26-10
  • 11-27-10
  • 12-3-10
  • 12-4-10
  • 12-10-10
  • 12-11-10
  • 12-17-10
  • 12-18-10
  • 12-24-10
  • 12-25-10
  • 12-31-10
  • 1-1-11
  • 1-7-11
  • 1-8-11
  • 1-14-11
  • 1-15-11
  • 1-21-11
  • 1-22-11
  • 1-28-11
  • 1-29-11
  • 2-4-11
  • 2-5-11
  • 2-11-11
  • 2-12-11
  • 2-18-11
  • 2-19-11
  • 2-25-11
  • 2-26-11
  • 3-4-11
  • 3-5-11
  • 3-11-11
  • 3-12-11
  • 3-18-11
  • 3-19-11
  • 3-25-11
  • 3-26-11
  • 4-1-11
  • 4-2-11
  • 4-8-11
  • 4-9-11
  • 4-15-11
  • 4-16-11
  • 4-22-11
  • 4-23-11
  • 4-29-11
  • 4-30-11
  • 5-6-11
  • 5-7-11
  • 5-13-11
  • 5-14-11
  • 5-20-11
  • 5-21-11
  • 5-27-11
  • 5-28-11
  • 6-3-11
  • 6-4-11
  • 6-10-11
  • 6-11-11
  • 6-17-11
  • 6-18-11
  • 6-24-11
  • 6-25-11
  • 7-1-11
  • 7-2-11
  • 7-8-11
  • 7-9-11
  • 7-15-11
  • 7-16-11
  • 7-22-11
  • 7-23-11
  • 7-29-11
  • 7-30-11
  • 8-5-11
  • 8-6-11
  • 8-12-11
  • 8-13-11
  • 8-19-11
  • 8-20-11
  • 8-26-11
  • 8-27-11
  • 9-2-11
  • 9-3-11
  • 9-9-11
  • 9-10-11
  • 9-16-11
  • 9-17-11
  • 9-23-11
  • 9-24-11
  • 9-30-11
  • 10-1-11
  • 10-7-11
  • 10-8-11
  • 10-14-11
  • 10-15-11
  • 10-21-11
  • 10-22-11
  • 10-28-11
  • 10-29-11
  • Even more difficult sudoku are available in my 100 Difficult Sudoku eBook, click below for secure checkout through PayPal: