Calcudoku Puzzle Generator for KDP
Generate printable Calcudoku and KenKen-style puzzle book interiors in minutes. Set the grid size, cage options, and layout, then export a print-ready PDF with full solution pages — ready to upload to Amazon KDP.
Free account · plans from $9/mo · cancel anytime
Calcudoku generator
Custom cages
Choose cage sizes and arithmetic operations to set the challenge level.
Print-ready PDFs
Every export pairs puzzle pages with matching solution pages, sized for KDP.
Flexible layouts
Control grid size, puzzles per page, fonts, titles, and gutters to fit your book.
How it works
- 1
Set how many puzzles you want and the grid size.
- 2
Choose cage sizes, operations, layout, and fonts to match your book.
- 3
Generate, preview, and download the print-ready PDF.
Frequently asked questions
Can I sell the Calcudoku books I create?
Yes. Everything you generate and export is yours to publish and sell on Amazon KDP or any other platform.
Do the PDFs include the solutions?
Every export includes matching solution pages alongside the puzzle pages, so your book is complete.
Is this the same as KenKen?
Calcudoku is a KenKen-style arithmetic grid puzzle. You control the grid size and cage operations to tune how hard each puzzle plays.
Do I need an account to use the generator?
You can browse this page without an account, but generating and exporting puzzles requires signing in and credits.
Ready to build your puzzle book?
Sign in to generate print-ready interiors and export them as a PDF in minutes.
Free account · plans from $9/mo · cancel anytime