Hard Printable Sudoku Puzzles

Download free Trudne Sudoku PDFs in A4 or US Letter. Updated weekly. Print instantly - no signup.

Trudne Sudoku

For experienced solvers

These puzzles require zaawansowany solving techniques. You'll often need patterns like X-Wing and Swordfish.

Other difficulty levels

Choose A4 for most printers outside the US, and US Letter for standard US paper.
In your print dialog, set scaling to “Actual size” (or 100%) for best results.
You can print just one page or a page range from the multi-page PDF.