Shigai Royalty Review: Legit or Just KDP Hype?

Shigai Royalty is a cloud-based puzzle book creation tool designed specifically for creating Murdoku-style mystery logic books.

Think of it as part murder mystery and part logic grid puzzle.

You create a cast of suspects and rooms, and the reader works through a set of clues to determine where everybody was and ultimately identify the killer.

What makes the concept particularly interesting is that the software handles the complicated logic behind the scenes.

Instead of manually constructing clue chains and then hoping you haven’t accidentally created two possible answers, the engine builds and verifies each puzzle so there is a single logical solution.

You can create puzzles across five difficulty levels — Novice, Intermediate, Advanced, Expert and Dragon — with grid sizes ranging from 6×6 right up to 16×16.

There’s also a Heist option if you would rather create a more family-friendly “find the thief” style puzzle instead of murder mysteries.

And importantly for publishers, Shigai Royalty isn’t limited to producing individual puzzle images. You get book-building tools, page formatting, bulk generation and export options designed around publishing complete puzzle products.

Amazon KDP is an obvious use case, but the PNG and PDF output also gives you scope to create downloadable puzzle packs and printables for platforms such as Etsy, Teachers Pay Teachers or your own store.

So the way I see it, Shigai Royalty is less of a basic puzzle generator and more of a specialised production system for this particular style of deduction book.

Shigai Royalty comes from the Royalty Prints team, with Ike Paz and Luke Bowes behind the project.

I’ve been connected with this vendor team for years, and one thing I appreciate about their products is that they tend to focus on very specific publishing opportunities rather than throwing another generic AI tool into an already crowded market.

Luke is the software developer behind the technology, while Ike comes at things more from the publishing and digital-product side. That combination makes sense here because Shigai Royalty isn’t simply a puzzle generator. It has clearly been built around actually turning those puzzles into usable books and printable products.

Of course, a clever tool doesn’t automatically mean successful books. Keywords, covers, positioning and getting your books seen still matter, and I’ll come back to that later.

Verified Single-Solution Puzzle Engine

This is probably the biggest feature for me.

Creating logic mysteries manually can become surprisingly complicated because every clue needs to work together properly. One mistake can leave the reader with multiple possible solutions or no logical solution at all.

Shigai Royalty generates the case and mathematically verifies it so the puzzle leads to one valid solution through deduction rather than guessing.

That gives me much more confidence than simply asking a general AI chatbot to invent a complicated logic puzzle and assuming everything adds up correctly.

Five Difficulty Levels

You aren’t locked into one type of reader.

Shigai Royalty gives you five defined difficulty levels:

• Novice
• Intermediate
• Advanced
• Expert
• Dragon

You can also work with grids from 6×6 all the way up to 16×16, giving you room to create anything from approachable beginner books to much tougher collections for experienced logic puzzle fans.

I particularly like the series potential here.

You could start readers with simpler cases and then gradually move them through harder books rather than publishing a collection of unrelated one-offs.

That gives you a natural reason to build a catalogue around progression.

Custom Characters and Rooms

You can change your cast, character names and room names rather than publishing the same generic mystery repeatedly.

You can also upload your own character photos.

That creates plenty of scope for themed books such as haunted hotels, cruise ships, country houses, offices, Christmas mysteries or personalised family editions.

The customisation matters because simply mass-producing almost identical interiors isn’t much of a publishing strategy.

Giving each book its own world and identity is what can make the output feel less automated.

Murder Mystery and Heist Modes

The classic mode revolves around identifying the killer.

The front end also includes a Heist mode, where readers instead work out who stole something.

I like that addition because it immediately gives you a lighter alternative for family books, children’s products, classroom activities or buyers who simply prefer something less dark than a murder theme.

Hints and Walkthrough Solutions

The software can create a progressive hints ladder as well as step-by-step solution walkthroughs.

This is a very useful feature.

With harder logic books, giving someone nothing except the final answer can be frustrating. A proper walkthrough lets readers understand the deduction process and see where they may have gone wrong.

That can make the finished book feel much more polished and fair to the reader.

How-To-Solve Tutorial

You can also add a worked example showing readers how the puzzle format works before they tackle the main cases.

For a relatively unfamiliar puzzle style, I think this is important.

You don’t want someone buying the book and spending the first ten minutes trying to work out what they are supposed to do.

A proper tutorial makes the product much more approachable for beginners.

Built-In Page Designer

Shigai Royalty isn’t simply producing raw puzzle data that you then need to rebuild inside Canva.

The page designer includes controls for fonts, margins, trim sizes, difficulty badges, legends and page positioning.

You can then use bulk generation to build multiple puzzles into a complete book instead of laying out every page manually.

For KDP publishers, that is probably one of the biggest time savers in the whole package.

PDF, PNG and Printable Uses

The front end includes unlimited PNG exports and up to 100 PDF exports per month.

That means the same underlying puzzle content can potentially be used for Amazon KDP interiors as well as digital downloads and printable puzzle products.

Platforms such as Etsy and Teachers Pay Teachers are obvious possibilities depending on the product you create and the marketplace rules you need to follow.

PRO removes the monthly PDF limit and also adds PPTX export.

That PowerPoint format could be useful for classroom sessions, group puzzle activities, workshops or presentation-style mystery games rather than print products alone.

Commercial Rights

The books and puzzle products you create come with commercial rights.

So you are not restricted to creating these puzzles for your own personal use.

You can publish and sell what you make, which is obviously essential if you are looking at Shigai Royalty as part of a KDP or printable publishing business.

The workflow is actually quite straightforward.

First, you choose the difficulty and grid size and set up your cast and rooms.

You can use the included characters or customise things with your own names, themes and images.

Then Shigai Royalty generates the mystery, clue structure, hints and solution and verifies that the puzzle has one valid solution.

From there, you move into the page designer.

This is where you can organise the puzzle pages, fonts, margins, legends and other book elements rather than having to reconstruct everything inside a separate design program.

Bulk generation then lets you produce enough puzzles for a larger book.

Finally, you export the finished pages or book and take them over to the marketplace you’re publishing on.

For Amazon KDP, you’ll still need to create your listing, cover, keywords, description and upload everything through KDP itself.

So I wouldn’t describe Shigai Royalty as a magical “click once and Amazon royalties appear” system.

It solves the difficult product creation side extremely well. Marketing and positioning are still your job.

I see Shigai Royalty being particularly useful for Amazon KDP publishers who want something different from the usual word searches, sudoku and colouring books.

It’s also suited to people who like the puzzle-book market but don’t actually know how to design sophisticated logic puzzles themselves.

Printable sellers could make good use of it too, particularly for downloadable mystery packs, party games, classroom activities and themed puzzle bundles.

And because you can personalise characters and settings, there’s some interesting potential for customised gift products.

If you’re just starting out, you don’t need programming or puzzle-design experience.

However, you should still be willing to learn the publishing side of the business. Generating the interior is only one part of selling books successfully.

What stands out to me most is how specialised Shigai Royalty is.

There are thousands of general AI content tools around now. This isn’t trying to generate everything from children’s stories to colouring pages to social posts.

It does one unusual type of puzzle and builds the workflow around it.

That focus is actually a strength.

Pros

✓ The puzzles are verified

For me, this is the biggest advantage. Logic books need to work logically. Having the engine verify the solution removes one of the biggest risks of trying to create these puzzles manually or purely with AI.

✓ Strong customisation

Characters, photos, rooms, themes, difficulty and grid sizes give you far more flexibility than simply exporting the same templates everybody else gets.

✓ Proper book creation features

Bulk generation, page design, tutorials, hints and walkthrough solutions make it much closer to a publishing system than a basic puzzle generator.

✓ Multiple product possibilities

You can use the output for KDP books, printable puzzle packs, personalised gifts and potentially themed series.

✓ Very accessible front-end price

At $19, I think the core version gives you enough functionality to actually create and test this type of product before deciding whether the larger upgrades make sense.

Cons

✗ Creating the book doesn’t create the traffic

Shigai Royalty can dramatically reduce the work involved in making the product, but you still need an attractive cover, sensible keywords and a strategy for getting visibility on Amazon or whichever marketplace you use.

✗ Some of the most interesting variations are upgrades

The core system is capable, but features such as Lying Killer, kid modes, Grand Mystery, seasonal scenarios and the Story Book Wizard sit inside PRO or ELITE.

✗ I wouldn’t bank on the niche staying quiet forever

An unusual puzzle concept can give publishers a fresh angle, but I never buy software because somebody says a niche has “almost no competition.” If a format catches on, competition naturally follows.

For me, the better reason to get Shigai Royalty is the ability to create differentiated books efficiently and build your own themes, series and branding around them.

And if publishing puzzle books isn’t really your thing and you prefer a broader online business model, I’d also recommend taking a look at my Cabooodl review.

Shigai Royalty starts with a strong $19 front end, then the upgrades expand what you can create rather than simply raising limits.

Front End – Shigai Royalty – $19

The front end gives you the complete core Murdoku-style whodunit engine.

You get:

• Verified single-solution puzzles
• Five difficulty levels: Novice, Intermediate, Advanced, Expert and Dragon
• Grid sizes from 6×6 to 16×16
• Custom casts and photo uploads
• Custom rooms
• Murder Mystery mode
• Heist mode
• Progressive hints
• Step-by-step walkthroughs
• How-to-solve tutorial
• Full page designer
• Bulk generation
• Unlimited PNG exports
• Up to 100 PDF exports per month
• Commercial rights

For $19, this is already enough to create complete mystery puzzle books, printable packs and themed casebooks without needing to build the logic manually.

Upgrade 1 – Shigai Royalty PRO – $57

PRO adds much more variety, personalisation and design flexibility.

You get:

• Lying Killer – one suspect gives false statements
• One Wasn’t There – introduces an alibi mechanic
• Choose-the-Culprit – ideal for personalised gift books
• Nine kid and family modes
• Kawaii artwork pack
• Premium borders, frames and background tints
• Dossier-style headers
• Self-check ciphers
• Completion certificates
• Custom fonts
• Floor Studio
• Custom furniture uploads
• Unlimited PDF exports
• PPTX export

I particularly like PRO for personalised products, family-friendly puzzle books, party games and more interactive mystery experiences. It adds genuinely new product directions rather than just giving you more of the same.

Upgrade 2 – Shigai Royalty ELITE – $187

ELITE is the major publishing expansion.

It includes:

• Five premium puzzle variants
• Grand Mystery – more complex multi-suspect cases
• Accomplices – multiple culprits can work together
• Three additional premium variants
• IF-THEN conditional clues
• Coded cipher clues
• 11 seasonal modes
• Custom scenario builder
• All 14 artwork packs
• Elite Textured design style
• Large Print editions
• Pocket editions
• Black-and-white editions
• World Builder
• One-click Story Book Wizard
• KDP Pre-flight checker
• Front-matter generation
• Spanish-language output in beta
• SVG export

This is where Shigai Royalty becomes much more than a standard puzzle-book creator. ELITE gives you the tools to build advanced challenge books, story-puzzle hybrids, connected mystery worlds, seasonal collections and multiple editions around the same publishing brand.

For someone serious about building a larger catalogue, I think this is a very strong upgrade.

Upgrade 3 – Genten Royalty – $47

Genten Royalty is a separate Math Mystery Studio, not simply another Shigai feature pack.

It includes:

• Grades 1–6 targeting
• Around 50 maths-skill generators
• Addition, subtraction, multiplication and division
• Fractions, decimals and percentages
• Basic algebra and geometry
• Word problems
• 163 themes
• 95 kid-safe worlds
• Five case generators
• Math mysteries
• Escape-room adventures
• Scavenger hunts
• Nine full book languages
• Simulation-verified cases

It is aimed more at teachers, homeschoolers, parents and educational publishers, so I would see Genten as a separate opportunity to enter the children’s maths and learning market.

Complete Funnel Cost

• Shigai Royalty: $19
• Shigai + PRO: $76
• Shigai + PRO + ELITE: $263
• Full stack including Genten: $310

The front end is strong on its own, but the upgrades add real depth.

PRO expands into personalised, family and interactive products.

ELITE adds advanced puzzle types, stories, worlds and multi-edition publishing.

Genten opens a completely different educational market.

What exactly does Shigai Royalty create?

Shigai Royalty creates Murdoku-style deduction puzzles where readers use logical clues to work out the positions of suspects and ultimately identify the culprit.

The software can also create hints, step-by-step walkthroughs, tutorial pages and formatted book pages, helping you turn individual puzzles into complete puzzle products.

Do I need to know how to write mysteries?

No.

You are not sitting down and manually plotting suspects, alibis and clue chains from scratch.

The engine creates and verifies the underlying puzzle logic for you.

You’ll get better results, though, if you still put some thought into your themes, titles, characters and overall book positioning.

Are the puzzles checked?

Yes.

One of the core features of Shigai Royalty is its verification engine, which checks the generated puzzle to ensure there is one valid solution.

That is an important distinction from simply asking general AI to invent a complicated logic puzzle and hoping all the clues work together.

Is Shigai Royalty cloud based?

Yes.

It runs online, so there is nothing to install on your computer.

Can I use the books commercially?

Yes.

Commercial rights are included for what you create with the software, allowing you to publish and sell the resulting books and puzzle products.

Can I publish on Amazon KDP?

Yes.

Amazon KDP is one of the main use cases, and the software includes page-design and export features aimed specifically at book publishers.

You still need your own Amazon KDP account, and you complete the actual upload, listing, pricing and publishing process through Amazon.

Can I sell the puzzles somewhere other than Amazon?

Yes.

Because the system can export puzzle pages as PNGs and PDFs, you could also create downloadable printable products for marketplaces such as Etsy and Teachers Pay Teachers, as well as selling through your own website or other suitable platforms.

Each marketplace has its own rules, so always check the latest requirements before publishing.

How many difficulty levels are there?

There are five:

• Novice
• Intermediate
• Advanced
• Expert
• Dragon

Grid sizes range from 6×6 up to 16×16, giving you plenty of scope to create both beginner-friendly and much more advanced collections.

Does the front end have an export limit?

PNG exports are unlimited.

The $19 front end includes up to 100 PDF exports per month.

PRO upgrades PDF exporting to unlimited and also adds PPTX export.

What does PRO actually add?

PRO is more than just higher export limits.

It adds new puzzle mechanics such as Lying Killer and One Wasn’t There, along with Choose-the-Culprit, nine kid and family modes, Kawaii artwork, certificates, self-check ciphers, stronger page styling, Floor Studio and custom furniture uploads.

It makes the most sense if you want to create family products, personalised mysteries or more interactive puzzle experiences.

What does ELITE add?

ELITE moves into much more advanced publishing territory.

You get premium puzzle variants such as Grand Mystery and Accomplices, IF-THEN clues, coded cipher clues, 11 seasonal modes, all 14 artwork packs, custom scenarios, World Builder and the Story Book Wizard.

You can also create Large Print, Pocket and black-and-white editions, use KDP Pre-flight tools, generate front matter and export SVG files.

Do I need PRO or ELITE?

Not necessarily.

The front end already gives you the core verified mystery engine, custom casts and rooms, all five difficulty levels, Murder Mystery and Heist modes, page design, bulk generation and the export tools needed to start creating products.

PRO becomes more attractive if you want family modes, personalised gift products, additional puzzle mechanics and more design flexibility.

ELITE makes much more sense if you intend to build a larger publishing catalogue using advanced puzzles, connected worlds, story-driven books and multiple editions.

I would choose based on what you genuinely plan to create rather than assuming you need the whole funnel.

What is Genten Royalty?

Genten Royalty is a completely separate maths-focused mystery creation system rather than another Shigai upgrade.

It targets Grades 1–6 and combines mystery scenarios with around 50 maths-skill generators covering arithmetic, fractions, decimals, percentages, basic algebra, geometry and word problems.

It also includes 163 themes, multiple adventure formats, nine full book languages and simulation-based puzzle verification.

I would mainly look at Genten if you are interested in educational books for children, classrooms, homeschoolers or parents.

Does Shigai Royalty guarantee I’ll make money?

No.

No publishing software can realistically guarantee sales or royalties.

Shigai Royalty can make the product-creation process much faster, but results still depend on demand, book quality, cover design, keywords, pricing, competition, positioning and promotion.

Is there a money-back guarantee?

The current review lists a 30-day refund policy.

As always, I would still check the current checkout terms when purchasing in case any conditions or details have changed.

Shigai Royalty is a strong, specialised tool for creating logic-based mystery puzzle books without having to build the clues and solutions manually.

The $19 front end already gives you a solid core system, but PRO and ELITE are genuinely powerful upgrades. PRO expands into personalised, family-friendly and more interactive products, while ELITE adds advanced puzzle types, story-driven books, connected worlds, seasonal modes and multiple editions.

So while the upgrades are not required to use Shigai Royalty, they add a lot of creative and publishing potential for anyone who wants to build a bigger catalogue.

You still need to handle the business side properly — covers, keywords, positioning and promotion — but as a creation tool, I think Shigai Royalty is clever, flexible and very good value at the front-end price.

Shigai Royalty Bonuses

If you decide to pick up Shigai Royalty through my link, you’ll also get access to exclusive bonuses designed to help you get results faster.

These bonuses are created to complement the main product and give you additional strategies, tools, and guidance so you can make the most out of the system.

👉 Click here to get Shigai Royalty + all exclusive bonuses