Create 4×4 or 6×6 sudoku puzzles with numbers, letters or clipart. Many customization options. Lightning fast and with full commercial rights. This module creates 4×4 and 6×6 Sudoku puzzles in several difficulty levels. You can use your own clipart, alphabetic characters and more. You can customize the font and colors, and create 100’s of unique sudokus with one mouse-click, right into PDF or Powerpoint if you want.