Sudoku Puzzle Pack - Volume 2
This software offers 25 free Sudoku puzzles in PDF format that can be quickly printed and solved with a pencil and paper. The package is minimal in size, requiring no installation.
brain-teasers
Sudoku Puzzle Pack - Volume 1
This Sudoku software offers 25 free puzzles in PDF format without installation required. It is the first release in a series, and boasts a small file size.