Shigai Royalty is the only system that generates verified-solvable logic mystery puzzles, exports them in KDP-ready layout, and lets you scale a catalog of puzzle books in bulk — all without writing, drawing, or paying premiums.
Shigai Royalty is the only system that generates verified-solvable logic mystery puzzles, exports them in KDP-ready layout, and lets you scale a catalog of puzzle books in bulk — all without writing, drawing, or paying premiums.
Every puzzle is mathematically verified to have a unique solution. No more reader complaints about broken puzzles.
From blank page to KDP-ready book in minutes. No writing, no drawing, no formatting.
Generate 10, 50, or 100 books in one batch. Build a catalog that earns while you sleep.
Built-in trim sizes, margins, and font sizes that pass Amazon's review on the first try.
Shigai targets under-served puzzle categories where demand outpaces supply — meaning less competition.
Logic mysteries don't expire. A book published today can earn royalties for 5+ years.
Three simple steps. No technical skills required.
Pick a puzzle type, difficulty, and theme. The deduction engine generates a verified-solvable grid.
Choose your KDP trim size. One click exports a print-ready PDF that passes Amazon review.
Publish on Amazon KDP. Each book keeps earning royalties month after month — hands off.
Stop wasting time and money on approaches that don't scale.
| What you get | DIY / Manual | Shigai Royalty |
|---|---|---|
| Time per book | Weeks | Minutes |
| Cost per book | Your evenings | One-time access |
| Verified solvable | ✕ Hope so | ✓ Every single one |
| KDP-ready layout | ✕ DIY | ✓ Built in |
| Scale a catalog | ✕ Burnout | ✓ Bulk mode |
| Niche competition | Crowded fiction | Empty-shelf puzzles |
Real results from real users — not paid actors.
"I published 12 puzzle books in my first month. Three are already earning $40+/month each. The bulk mode is unreal."
"Tried other puzzle tools before — they all had unsolvable puzzles. Shigai's verification guarantee is what sold me."
"Was skeptical about the 'no writing' claim. It's true. The deduction engine does all the heavy lifting."
Everything you need to know before you decide.
Complete Shigai Royalty product family. Front-end + all OTOs.
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