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!

Even more difficult sudoku are available in my 100 Difficult Sudoku eBook. Secure checkout through PayPal -- check it out!

  • 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
  • 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