Comparison Sudoku puzzles by KrazyDad

Here are hundreds of free Comparison Sudoku puzzles suitable for printing. These puzzles are also known as Greater-than Sudoku and Jigoku.

In these three variants, > and < connectors are used between adjacent squares to indicate if the numbers have a greater-than or less-than relationship. For example 3 > 2, and 1 < 5.

If you are new to this variant, a good starting strategy is to mark all the squares that might be 9, or that might be 1, and work your way inward. For example, any square that has a > cannot be a 1, and any square that has a < cannot be a 9.

I have previously published a harder version of this puzzle under the name Jigoku. Those puzzles do not have any givens / gimmes, but these ones usually do and they start a bit easier.

Each collection is ordered by difficulty, with the easiest puzzles in Book 1, and the hardest in Book 100. If you are new to these puzzles, I recommend you start with Book 1. If you find they are too easy, skip ahead by 10 books or so. If you find the puzzles are getting too hard, move up to Book #1 of the next volume, and they'll get easier again.

My puzzles are provided in 1-per-page format. You can use the formatting option on the download page to produce foldable booklets that conserve paper and ink.

• Greater-than Sudoku Puzzles

  > and < are used to indicate that numbers are greater-than or less-than.
  Greater-than Sudoku, Volume 1
  Greater-than Sudoku, Volume 2
  

• Jiggy Sudoku Puzzles

  Greater-than Sudoku with irregular jigsaw-style regions.
  Jiggy Sudoku, Volume 1
  Jiggy Sudoku, Volume 2
  

• Jones Sudoku Puzzles

  Greater-than sudoku with extra windows so you can keep up with the Joneses.
  Jones Sudoku, Volume 1
  Jones Sudoku, Volume 2
  

Bad dog! Help me send my puppy to obedience school by making a donation.

| Thank you!!

Prefer to donate by mail or venmo?  Here's how.

Don't see the format you prefer? Run out of puzzles? Let me know!