Sudoku on six connected faces of a cube, now on paper. Four volumes of 100 puzzles, from the first 4×4 cube to extra hard 9×9, and 365 puzzles for a whole year. Each puzzle has a QR code that opens the same cube in the game.
126–470 pages · Vector PDF in Letter size (8.5 × 11″) · Prints on A4 too
Choose by difficulty. Every book includes the rules with an illustrated guide to the cube, a QR code for each puzzle and all the solutions.
The best place to start: 20 puzzles on the small 4×4 cube, 30 on 6×6 and 50 easy 9×9 cubes.
100 medium 9×9 cubes for players who already know how the faces connect.
100 hard 9×9 cubes for experienced solvers.
100 extra hard 9×9 cubes, the toughest puzzles in the series.
A 9×9 cube for every day of the year: 90 easy, 100 medium, 100 hard and 75 extra hard puzzles.
All five books in one purchase: 765 puzzles for less than buying the books one by one. The complete collection includes lifetime Web Pro for play.cubesudoku.com. The licence key is shown after payment and sent to your purchase e-mail. Pro for mobile and store apps is purchased separately.
5 complete 3D puzzles (4×4, 6×6, 9×9), historical introduction, step-by-step 2D & 3D tutorials, folding guide, full solutions, and QR codes for instant online play.
Instant PDF download · Print-ready vector graphics
8.5" × 11" Large Print Paperback. Matte cover, quality paper. Delivery options shown on Amazon.
8.5″ × 11″ · Delivery options shown on Amazon
If the cube is new to you, start with Volume 1: the 4×4 and 6×6 cubes show how the faces connect before the 9×9 puzzles. If you already solve classic Sudoku, try Volume 2 or 3. The 365 book takes you from easy to extra hard over a whole year.
Each purchase includes the PDF in all 14 languages; you choose the language when downloading.
The PDF is ready on the confirmation page right after payment, and a download link is also sent to your e-mail. A link works for 30 days and 10 downloads per book; for three years you can request a new one with the same address.
Yes. Vector PDFs support double-sided printing on Letter or A4 paper. Large 5.5 mm cells leave room for pencil notes.
Yes. Scan the QR code beside the puzzle, or click it in the PDF. In your browser, the link opens that exact cube at play.cubesudoku.com with the same starting digits as the book. You can rotate it in 3D and continue solving without copying the digits. Pencil entries you add on paper are not imported automatically. Basic play works without Web Pro.
Before paying, you ask for immediate delivery and confirm that you lose the right of withdrawal once the download starts. If a file is faulty or does not match its description, write to [email protected] and we will fix it or refund you.
