What types of puzzles can I generate?

KDP Builder generates 5 puzzle types: Sudoku (4×4, 6×6, 9×9, and 16×16 grids), Word Search (themed vocabulary with customizable word lists), Crosswords (auto-generated clues and symmetric grids), Mazes (multiple difficulty levels with solution paths), and Kakuro (sum-based number puzzles). You can mix types in a single book.

Are solution pages included automatically?

Yes. Every puzzle book includes a professionally formatted solutions section at the back. Word search solutions highlight found words in the grid, maze solutions show the correct path, Sudoku and Kakuro show completed number grids, and crossword solutions show all filled answers.

How much does it cost to create a puzzle book?

A complete puzzle book costs approximately 35 credits (~$2.35). This includes the full interior PDF with puzzles and solutions, a professional AI-generated cover, paperback wrap PDF with spine, and all KDP metadata. New accounts get 75 free credits — enough for 2 complete puzzle books.

Is the output actually print-ready for Amazon KDP?

Absolutely. The generator produces KDP-compliant files: interior PDF with correct margins, bleed, and trim marks for any of 17 supported trim sizes; a paperback wrap PDF with calculated spine width and barcode zone; an ebook cover; 7 SEO-optimized keywords; BISAC categories; and a book description. You upload directly to KDP.

Can I customize the theme and difficulty?

Yes. You choose puzzle types, quantities, difficulty levels (Easy, Medium, Hard), and optional themes. For word search puzzles, the AI generates themed vocabulary matching your topic (e.g., 'Ocean Animals' or 'Space'). Section dividers organize puzzles by difficulty with decorative pages.

How long does it take to generate a puzzle book?

About 10 minutes from start to download. You configure your puzzle book in Step 1 (2 minutes), the AI generates everything in Steps 2–3 (5–6 minutes), and you download the complete KDP package in Step 4. No design skills or puzzle-solving expertise needed.

Do I own the commercial rights to books I create?

Yes. You retain full commercial rights to every book you generate. There are no royalty shares, attribution requirements, or usage limits. You can publish on Amazon KDP, IngramSpark, Lulu, or sell directly.

KDP Builder

AI-Powered Puzzle Book Generator

Create Print-Ready Puzzle Books for Amazon KDP

Generate professional Sudoku, word search, crossword, maze, and Kakuro books — complete with solutions, covers, and metadata. Ready to upload to KDP in about 10 minutes.

~$2.35 per bookReady in 10 minKDP-compliant files

Professional puzzle book cover created with KDP Builder's puzzle book generator

KDP Ready

Upload-ready package

5 Puzzle Types, One Generator

Every puzzle is algorithmically generated with guaranteed unique solutions. Mix and match types in a single book.

Sudoku

4×4, 6×6, 9×9, 16×16

Classic number placement puzzles with guaranteed unique solutions and symmetric cell removal.

Word Search

Themed vocabulary

AI-generated themed word lists hidden in letter grids. Supports custom topics like animals, science, or holidays.

Crosswords

Auto-clued

Symmetric crossword grids with algorithmically generated clues. Pattern-based fallbacks ensure every word gets a solvable hint.

Mazes

Easy to Expert

Recursive backtracking mazes with verified solution paths. Multiple difficulty levels from simple paths to complex labyrinths.

Kakuro

Sum puzzles

Japanese sum-based number puzzles with constraint validation. Each puzzle has a verified unique solution.

Mixed Puzzle Books

Combine any puzzle types in a single book. Organized by difficulty sections with decorative dividers, puzzle numbering, and a unified solutions section.

From Idea to KDP in 10 Minutes

Four steps. No design skills needed.

Configure Your Book

~2 min

Choose puzzle types, quantities, difficulty levels, and themes. Pick a trim size from 17 KDP-supported options. Name your book.

AI Generates Puzzles

~5 min

The engine creates unique puzzles, validates solvability, renders professional grids with decorative elements, and builds solution pages.

Cover & Metadata

~2 min

AI generates a professional cover, calculates spine width, writes 7 SEO keywords, BISAC categories, and a compelling book description.

Download KDP Package

~Instant

One ZIP with everything: interior PDF, ebook cover PNG, paperback wrap PDF, metadata file, and an upload checklist for Amazon KDP.

Everything Amazon KDP Needs in One Download

You get a single ZIP file containing every file Amazon requires — formatted to KDP specifications. No back-and-forth fixing margins or cover dimensions.

Print-ready interior PDF with puzzles & solutions
Professional AI-generated book cover
Paperback wrap PDF with calculated spine
Ebook cover image (PNG)
7 SEO-optimized backend keywords
BISAC category recommendations
Compelling book description
KDP upload checklist

Your KDP Package Contains:

interior.pdf

Print-ready puzzles + solutions

~8 MB

cover-ebook.png

1600×2560 ebook cover

~2 MB

cover-paperback.pdf

Full wrap with spine

~4 MB

metadata.json

Keywords, categories, description

~2 KB

upload-checklist.txt

Step-by-step KDP guide

~1 KB

Built for Professional Publishing

Every puzzle is validated for correctness. Every file meets KDP specifications.

Unique Solutions

Every puzzle has exactly one verified solution. No duplicates, no unsolvable grids.

KDP-Compliant

Correct margins, bleed, trim marks, spine width, and barcode zone on every file.

Professional Quality

Decorative elements, section dividers, puzzle numbering, and page numbers throughout.

Full Commercial Rights

You own everything you create. No attribution, no royalty share, no restrictions.

Transparent Pricing

New accounts get 75 free credits — enough for 2 complete puzzle books. No credit card required to start.

~$2.35per puzzle book

35 credits per book · Interior + cover + metadata

Starter Pack: 50 credits for $4.99

Standard Pack: 150 credits for $9.99

Pro Pack: 500 credits for $24.99

Frequently Asked Questions

Create Your First Puzzle Book Today

75 free credits. No credit card. Professional puzzle books ready for Amazon KDP in minutes.