Free · Unique Puzzles · KDP PDF Export

Free Sudoku Generator
for Amazon KDP Books

Create sudoku puzzle books for KDP in minutes. Uniquely solvable puzzles, all difficulty levels, solution pages included. Export print-ready PDFs instantly — free.

4.9 · 112 reviews · 100,000+ puzzles generated

What you get with every sudoku book

Guaranteed unique, valid puzzles (algorithmically verified)
Easy, Medium, Hard, Expert difficulty levels
Solution pages at the back of every book
6×9 and 8.5×11 formats with correct KDP margins
100, 200, or 300+ puzzles per book
Instant PDF download — no waiting, no account needed for free tier

Sudoku Generator FAQs

Are the sudoku puzzles valid and uniquely solvable?

Yes. Every puzzle is algorithmically generated and verified to have exactly one solution. Invalid puzzles are automatically discarded and regenerated.

Can I mix difficulty levels in one book?

Yes. You can create books with any mix of Easy, Medium, Hard, and Expert puzzles. Most sellers do 25% each across 100 puzzles for broad appeal.

Does it include solution pages?

Yes. Every book exports with full solution pages at the back. KDP buyers expect solution pages and many leave negative reviews without them.

What's the best page count for a KDP sudoku book?

100 puzzles (one per page) + 100 solution pages = 200 pages. At 6×9 format, this prices around $6.99–$7.99 with a strong royalty margin.

How do I make my sudoku book stand out on KDP?

Choose a specific niche audience: 'Large Print Sudoku for Seniors', 'Easy Sudoku for Kids', 'Expert Sudoku Challenge'. Targeted titles rank better and convert better than generic ones.

Can I publish multiple sudoku books?

Yes. Most successful KDP sudoku publishers have 10-50+ books, each targeting a different audience or difficulty combination. The generator makes it easy to create multiple books quickly.

Start Your Sudoku KDP Business Today

Generate your first book free. No credit card, no design skills needed.