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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®, Calcudoku, Mathdoku, and Web Kendoku. Each Inky puzzle has only one unique solution.
Hard 9x9 Calcudoku Puzzles by KrazyDad, 1-per-page, Volume 2. Each booklet contains a collection of 8 different puzzles, with the answers in the back. These booklets are in PDF format and need the Adobe Acrobat Reader to view or print.
Medium 4x4 Inkies by Krazydad, Volume 1, Book 1 Fill in the blank squares so that each row and each column contain all of the digits 1 thru . The heavy lines indicate areas (called cages) that contain groups of numbers that can be
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) that contain groups of numbers that can be combined (in any order) to produce the result shown in the cage, with the indicated math operation.
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 . The heavy lines indicate areas (called cages) that contain groups of numbers that can be combined (in any order) to produce the result shown in the cage, with the indicated math
9x Calcudoku Puzzles by KrazyDad, 1-per-page, Volume 2. Each booklet contains a collection of 8 different puzzles, with the answers in the back. The puzzles have mixed difficulties. In each book, the puzzles start somewhat simple and then get harder.
Mixed 8x8 Inkies by Krazydad, Volume 20, Book 61 Fill in the blank squares so that each row and each column contain all of the digits 1 thru 8. The heavy lines indicate areas (called cages) that contain groups of numbers that can be
