Alex Liam Puzzles
Relaxing logic puzzles
Hard Sudoku Printable (PDF)
This Hard-level Sudoku pack is designed for experienced solvers who enjoy deeper logic and more challenging grids. Full solutions included.
Download PDF
Download Hard Sudoku Pack (PDF)
Updated: January 2026
Printing Info:
Formatted for US Letter (8.5×11) and prints perfectly on A4 using “Fit to Page”.
Formatted for US Letter (8.5×11) and prints perfectly on A4 using “Fit to Page”.