by Jacob N. Breetvelt on WordPress.org
This plugin displays a sudoku puzzle diagram on your website that the visitor can try to solve.

The puzzle how it shows on the screen
This plugin can display a sudoku puzzle diagram on your website.
It comes with 200.000 unique puzzles in 7 different levels of difficulty.
The number of times a puzzle is successfully solved or failed is registered.
There is simple help and statistics available at the front-end.