The Number Puzzle That Sells in Every Language
A grid of digits, sliced into little blocks and shuffled, and you already know the job: drop every block back into the grid it was cut from. This is pure shape work. You read the pattern of black squares, check a couple of printed digits, and the block clicks home. Nothing on the page asks you to calculate.
Here is the part a publisher cares about: there is not a single word on the page. Nothing to translate, nothing to spell, nothing a solver in another country cannot read. A Number Block Fill book you make today sells in the United States, Germany, Japan, and Brazil off the exact same file. For anyone shipping to more than one market, that is a puzzle that lists into every storefront off one file.
I have built a system that spans more than thirty puzzle types, and the number-logic titles travel furthest, because a digit means the same thing everywhere. Number Block Fill takes the reassembly hook people love and strips it to pure shape and logic, so it plays the same for anyone who picks it up.
The gallery above has a finished page and its answer key. Better still, make a few of your own free before you spend a thing.
A Logic Puzzle That Is Not Sudoku or Kakuro
The number-puzzle aisle is sudoku, then more sudoku, with a little kakuro at the edges, and every one of them asks the reader to do arithmetic or hold a row of constraints in their head. Number Block Fill asks for none of that. The digits are just fill, so there is nothing to add and nothing to deduce from a sum. The solver works entirely by shape: match a block’s pattern of black squares to a slot in the grid, and let the handful of anchor digits settle anything two slots share.
That gives a number-puzzle buyer a logic grid with no arithmetic to do, and it lands with people sudoku turns away, the ones who like the look of a logic grid but bounce off the math. It is a fresh headline title on its own and a real change of pace inside a mixed logic book, where it breaks up page after page of the usual number grids.
Everything You Can Build With Number Block Fill
One puzzle type reaches across more of your catalog than you would expect, and because there is no language on the page, every one of these ships to any market unchanged:
- Standalone Number Block Fill puzzle books for KDP and other print-on-demand platforms
- Multi-market editions of the same book, sold worldwide with no translation
- Printable logic activity packs for Etsy or your own site
- Mixed logic and number books that fold Number Block Fill in beside sudoku, kakuro, and your other Puzzle Maker Pro types
- Progressive collections that climb from a few blocks and many anchors to a wall of blocks with decoys
- Browser-playable Number Block Fill puzzles that draw solvers to your own site, with the Interactive add-on
What a Finished Number Block Fill Page Looks Like
Nobody commits a book to a format sight unseen. Here is the page your buyer holds: an empty grid carrying its anchor digits, the shuffled bank alongside it, and the completed number grid as a clean key. Both come out of the same pass, sharp at any size you print.
a Number Block Fill puzzle beside its rebuilt solution.
Run the free demo and judge a few finished pages before you pick an edition.
Built on Unique Blocks, So the Grid Comes Back Together
One unfinishable page is all it takes to sink a puzzle book’s reviews. Number Block Fill rests on one firm guarantee: every block in the bank is distinct, so no two are interchangeable, and the grid’s black squares sit in a clean 180 degree symmetric pattern that the solver reads as shape. The anchor digits carry the rest of the weight: because the numbers are random fill, each pre-printed digit pins a real value to an exact cell, so two blocks sharing a black pattern are told apart by what is already on the board. Each puzzle is designed to rebuild into one finished grid.
an empty grid with anchor digits beside the shuffled block bank.
Want it harder? Show fewer anchors so more slots stay open, or add decoy blocks that copy a real block’s shape and scramble its digits, so the solver has to work out which pieces belong to the grid at all. You set the challenge from a gentle warm-up to a stubborn sort, and every page is built to rebuild into one finished grid.
Set the Challenge Without a Single Word
The difficulty lives in three dials, and that is the whole tuning surface. Turn the anchor count down and the board gets harder, because there is less to pin a block to. Turn the block count up for a bigger wall to sort. Add decoys to muddy the bank. The same three settings make a friendly first book and a fierce expert one, and both generate in the same instant.
Swap the Digits for Pictures with Number Block Fill Creative
The digits in a Number Block Fill are pure fill. Nothing in the logic cares what is printed in the cells, only that each marker is distinct. So on Number Block Fill Creative you replace them and the puzzle keeps working exactly as it did.
Put in letters, coloured shapes, or your own images, at least ten distinct ones, and the whole product changes character. Ten pieces of your own artwork turn the same reassembly puzzle into a preschool activity book. Coloured shapes make a version a child solves before they can read a digit. Your own icon set turns a generic logic grid into a branded one.
The re-skin is not cosmetic on one surface only: your content shows on the board, in the shuffled bank, and on the movable Puzzle Slides tiles, so the printed page, the live round, and the book all carry the same look. Puzzle Book Studio Creative then gives you full book design on the collection.
From One Puzzle to a Whole Book
One good grid is a nice afternoon. A hundred of them, in one trim, in one voice, is a title.
Every edition builds the book. Instant Puzzle Books takes the puzzles you just generated and the book settings you already publish in, and writes the interior for you: a title page, a table of contents, and a footer on every puzzle telling the reader which page its solution is on.
Number Block Fill Creative hands the layout over to Puzzle Book Studio Creative: full book design on one collection, so you decide how a page sits and rebuild until it is right.
Number Block Fill Productivity runs the line. Stack Time Saver rows, one per setup, and a single pass produces a gentle 6 by 9 opener, a mid-book 12 by 15, and a 21 cell wall for the finale. Full Puzzle Book Studio then folds those sets, and your other puzzle types, into one spine. Set it up once and a whole catalog comes off the same bench.
Choose Your Edition
Every rung makes the same real puzzle, prints the same answer key, and carries the same right to sell what you make. What moves is what goes in the cells, and how much you can produce in one sitting.
Number Block Fill covers the whole digit puzzle: every block size, every anchor and decoy setting, print-ready PNG, JPG, SVG and PDF, and Instant Puzzle Books to turn a run into an interior.
Number Block Fill Creative is for when the cells should carry something other than digits: letters, coloured shapes or your own pictures on the board, in the bank and on the Slides tiles, plus full styling control, Puzzle Book Studio on the collection, and Puzzle Slides for a live, interactive round.
Number Block Fill Productivity is the scale rung: Time Saver rows, Puzzle Book Studio Productivity for mixed books, JSON export for your own apps and workflows, and the right to supply the puzzles you generate to other publishers and sellers.
Add Interactive on top of either one to put the digit puzzles on your own website, playable.
| Number Block Fill | Creative | Productivity | |
|---|---|---|---|
| Create Number Block Fill puzzles and matching solutions at every block size and count | ✓ | ✓ | ✓ |
| Anchor digits and decoy blocks, generated instantly and offline | ✓ | ✓ | ✓ |
| Export as PNG, JPG, SVG and PDF | ✓ | ✓ | ✓ |
| Instant Puzzle Books, with title page, contents and solution cross references | ✓ | ✓ | ✓ |
| Letters, coloured shapes or your own pictures in place of the digits | ✓ | ✓ | |
| Full styling control over fonts, colours and borders | ✓ | ✓ | |
| Puzzle Book Studio Creative, full book design on one collection | ✓ | ✓ | |
| Puzzle Slides, an interactive PowerPoint round with movable block tiles | ✓ | ✓ | |
| Time Saver, batch several complete sets in one pass | ✓ | ||
| Puzzle Book Studio Productivity, mixed books from several collections | ✓ | ||
| JSON export for your own apps and workflows | ✓ | ||
| Sell the finished books, worksheets and packs you make to your own readers | ✓ | ✓ | ✓ |
| Sell or supply the generated puzzles to other publishers and sellers | ✓ | ||
| + Interactive on Creative or Productivity: playable web games on your own site | ✓ | ✓ |
Teach It Live with Puzzle Slides (Creative and above)
Put the grid on the wall and a room solves it together, which is the quickest way to teach a puzzle nobody has met. Export the set as Puzzle Slides and every bank piece becomes a tile you can drag on the screen, with the finished grid waiting on the reveal. It runs in any standard PowerPoint viewer, nothing to install. And since there is not a letter on a single tile, the same deck works for a room that shares no language at all.
Use it wherever the room is: a class meeting the puzzle for the first time, a warm-up segment on a stream, a webinar where you hand the deck over at the end. The run you built for the book is already the run you present.
Play It on the Web (Interactive add-on)
Nobody buys a puzzle they cannot picture, and a paragraph will never do what thirty seconds of dragging does. Put the digit puzzles on your own site and the visitor finds out for themselves: a block slides into place, the grid starts closing, and they are hooked before you have asked them for anything. There is no account to make and nothing to download, and with no words on the board there is nothing to explain first either.
Setting it up is an upload, not a build. Export the set, drop the ZIP into your WordPress site with the free BookPublisherTools plugin, and the hosted player takes it from there, with no server of yours to keep alive. Two ways to present it:
- A puzzle list. A dropdown of your grids. Visitors pick one and rebuild it. This is the five minute version.
- A leveled game. The set becomes a path, each grid unlocking the next, with progress and stars kept in the visitor’s browser and a finish screen carrying whatever button you put there.
The finish screen is where it pays. Give away three grids, and the reader who clears the third one is looking at your message and your button at the exact moment they want a fourth. In between, a page of playable grids is a reason to stay and a reason to return.
Rebuild a number block fill grid in your browser before you choose an edition:
Which Edition Should You Choose?
- Choose Number Block Fill to start with digit puzzles and print-ready pages you can sell.
- Choose Number Block Fill Creative when you want letters, colours or your own pictures in the cells, full control over the look, and Puzzle Slides for a live round.
- Choose Number Block Fill Productivity when you are assembling whole books and want Time Saver batching, mixed-book assembly and JSON export.
- Add Interactive to Creative or Productivity when you want to publish online play.
You can move up to any higher edition after you buy, up the ladder or by adding Interactive on top, so pick what fits the book you are making today.
Who This Is For
Publishers selling into more than one market. One file, every storefront. A Number Block Fill interior needs no translation and no localised edition, so the title you build today lists everywhere you already sell.
Logic and number book makers. Bring a number title to the shelf that is not sudoku or kakuro, then turn one setup into a full book of unique puzzles, each designed to rebuild into one finished grid, for KDP or print-on-demand.
Existing Puzzle Maker Pro customers. Add a fresh number type to the workflow you already know. Style it with your shared settings, batch it with Time Saver, and fold it into mixed logic books, with nothing new to learn.
Educators and classroom creators. Use Number Block Fill as pure shape-and-logic work that needs no reading and no arithmetic, sized to your group, and run it live on the projector with Puzzle Slides on Creative and above.
Try It Before You Buy
None of this has to be taken on trust. Make a few Number Block Fill grids free, export a page, hold it next to what you already publish, and decide from there. The edition breakdown is above when you are ready.
Licensing and Commercial Use
Number Block Fill and Number Block Fill Creative both let you sell the finished books, worksheets, and packs you make to your own readers and customers, on KDP, Etsy, Teachers Pay Teachers, or your own store. One-time commercial-use licence. Watermark-free.
Number Block Fill Productivity includes that, plus you may sell or supply the generated puzzles to other publishers and sellers.
Every edition carries the same permission to sell. What changes as you move up is what you can make.
Product Details
| Product | Puzzle Maker Pro – Number Block Fill |
| Editions | Number Block Fill; Number Block Fill Creative; Number Block Fill Creative + Interactive; Number Block Fill Productivity; Number Block Fill Productivity + Interactive |
| Platform | Windows desktop app |
| Puzzle rule | A filled digit grid is sliced into uniform square blocks and shuffled into a bank, and the solver reassembles them onto the empty grid. A few anchor digits are pre-shown, spread across the blocks. No two blocks in the bank are alike, and the black squares sit in a 180 degree symmetric pattern. |
| Grid | Block size 2 to 5 cells per edge; 2 to 10 blocks across and down; each side of the finished grid lands between 5 and 21 cells. The default page is a 12 by 15 grid cut into twenty 3 by 3 blocks. |
| Anchor hints | 0 to 40 pre-shown digits, spread across the blocks |
| Decoy blocks | 0 to 20 extra blocks that copy a real block’s shape with scrambled digits and are not part of the finished grid |
| Cell content | Digits used purely as fill. The solve runs on block shape and the anchor digits. |
| Content variation | Number Block Fill Creative and up: letters, coloured shapes or your own pictures in place of the digits, on the board, in the bank and on the Puzzle Slides tiles. At least ten distinct items. |
| Quantity | Set per run; Time Saver on Productivity batches several setups at once |
| Output formats | PNG, JPG, SVG, PDF: the board with its block bank, and a matching solution with every cell filled |
| Solution pages | Yes, generated with every puzzle |
| Puzzle books | Instant Puzzle Books on every edition. Puzzle Book Studio on Creative (one collection) and Productivity (several collections in one book). Title page, contents and solution cross references on every edition. |
| Puzzle Slides | Number Block Fill Creative and Productivity, with a movable PowerPoint tile per bank piece |
| Web play | Publish sets of the digit puzzle to your own site as a puzzle list or a leveled game, on Creative + Interactive or Productivity + Interactive |
| JSON export | Number Block Fill Productivity |
| Time Saver | Number Block Fill Productivity |
| Internet required | No. The digits are generated on your machine, so every size works offline on every edition. |
| Commercial licence | Sell the finished books, worksheets and packs you make to your own readers and customers. Productivity adds selling or supplying the generated puzzles to other publishers and sellers. |
| Upgrades | You can move up to any higher edition later |
| Free demo | Yes |
| Delivery | Immediate, in your member area |
Questions Before You Buy
Is there a free demo?
Yes. Every module includes a free demo, so you can make a few Number Block Fill puzzles and see the output before buying.
Can I upgrade later?
Yes. You can move up to any higher edition after you buy, and you can add Interactive on top of Creative or Productivity. Start with the edition that fits the book you are making today.
What is a Number Block Fill puzzle?
A filled grid of digits that has been cut into small square blocks and shuffled. The solver rebuilds it by reading the shape of the black squares, matching each block to the slot it fits, and using a few pre-printed anchor digits to settle the rest.
What does the solver actually do?
Reads the pattern of black squares, matches each block to the slot that shape fits, and uses the anchor digits to settle anything two slots share. That is the whole method, which is exactly why it reaches readers who bounce off sudoku and kakuro.
Does it need a different edition for a different language?
No. There is not a word on the page, so the same file sells in every market you publish into.
What makes a page hold together?
Every block in the bank is distinct, so no two are interchangeable, and the anchor digits pin real values to exact cells, so two blocks with the same black pattern are told apart by what is already printed. Each puzzle is built to rebuild into one finished grid, and every page ships with its answer key.
Can I use pictures instead of digits?
Yes, on Number Block Fill Creative and up. Supply at least ten distinct images, colours or letters and your content appears on the board, in the bank and on the Puzzle Slides tiles.
How big can the grids get?
Set the block size from 2 to 5 cells, and the number of blocks across and down from 2 to 10, as long as each side of the finished grid lands between 5 and 21 cells. If a combination goes past that, lower one of them.
How do I make it harder or easier?
Show fewer anchor digits so more slots stay open, turn the block count up for a bigger wall to sort, and add decoy blocks that copy a real block’s shape.
Can I create a full book quickly?
Yes, on Number Block Fill Productivity. Time Saver generates batches of puzzles from saved setups, and Puzzle Book Studio assembles them into books. Instant Puzzle Books builds a complete interior on every edition.
Does it support online or interactive output?
Yes. Puzzle Slides gives you a live PowerPoint round on Creative and above. The Interactive add-on, on Creative or Productivity, publishes the set so readers play it in the browser on your own site, as a puzzle list or a leveled game with a completion screen that points to your book.
Can I sell the puzzles I make?
Yes. Number Block Fill and Number Block Fill Creative both let you sell the finished books, worksheets and packs you make to your own readers and customers. Number Block Fill Productivity includes that, plus you may sell or supply the generated puzzles to other publishers and sellers.
One File. Every Market You Sell Into.
Without a title that crosses a language border, every book you publish is capped at the readers who speak it, and entering a new market means building the whole thing again.
Six months from now, your catalog could carry a Number Block Fill line running in four territories off one set of files: a digit edition, a large-print edition, and a children’s edition built on your own artwork.
Try the free demo, rebuild a few grids, and see whether the number puzzle with no language in it belongs in your catalog.
