Here are hundreds of free Calcudoku puzzles suitable for printing. Inkies have the same rules as the famous puzzles created by Tetsuya Miyamoto. They are various called KenKen®, …

Mixed 9x9 Inkies by Krazydad, Volume 18, Book 94 Fill in the blank squares so that each row and each column contain all of the digits 1 thru 9.

Medium 4x4 Inkies by Krazydad, Volume 1, Book 3 Fill in the blank squares so that each row and each column contain all of the digits 1 thru 4. The heavy lines indicate areas (called cages) …

Krypto Inky Puzzles. Krypto Inkies (a Krazydad original puzzle) are regular Inky (or Calcudoku) puzzles that have been encrypted. Each digit has been substituted with a letter. To solve the …

Mixed 9x9 Inkies by Krazydad, Volume 14, Book 96 Fill in the blank squares so that each row and each column contain all of the digits 1 thru 9.

Hard 9x9 Inkies by Krazydad, Volume 5, Book 11 Fill in the blank squares so that each row and each column contain all of the digits 1 thru 9. The heavy lines indicate areas (called cages) …

Hard 9x9 Inkies by Krazydad, Volume 2, Book 5 Fill in the blank squares so that each row and each column contain all of the digits 1 thru 9. The heavy lines indicate areas (called cages) …

6x6 Krypto Inky Puzzles, Volume 3. Each booklet contains a collection of eight different puzzles, with a page of answers in the back. The booklets are ordered by ascending difficulty -- the …