Free Kakuro Maker
Free Kakuro Puzzle Maker
Generate cross-sum number puzzles — like crosswords with math
Kakuro (also called cross-sums) are number puzzles where you fill white cells with digits 1–9 so that each horizontal and vertical run adds up to the clue shown in the black cell. No digit can repeat within a single run. Our generator creates unique kakuro puzzles in three sizes with guaranteed single solutions. Download printable PDFs with the puzzle and complete solution.
Why use Puzzone
Three Sizes
Small (6×6), medium (9×9), and large (12×12) grids. Each size offers a different level of challenge.
Unique Solutions
Every puzzle has exactly one valid solution, generated using a backtracking algorithm.
Math + Logic
Kakuro combines arithmetic with logical deduction. Great for math practice and brain training.
Print-Ready
Download clean PDFs with diagonal clue cells, clear grid layout, and a separate answer key.
How it works
Choose Size
Select small (6×6), medium (9×9), or large (12×12) based on desired difficulty.
Generate Puzzle
Click Generate to create a unique kakuro puzzle with a guaranteed solution.
Download PDF
Export a print-ready PDF with the puzzle and answer key.
Frequently asked questions
Kakuro (cross-sums) are number puzzles where cells must be filled with digits 1-9 so each run adds up to its clue number. No digit repeats within a run. Think of it as crosswords with math instead of words.