Jacob N. Breetvelt

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.

WP Sudoku Plus

This plugin displays a sudoku puzzle diagram on your website that the visitor can try to solve.

Amuse Labs

PuzzleMe™ by Amuse Labs is the leading digital platform to create, edit, manage, publish and track smart games like crossword, sudoku, word search, jigsaw, and quiz among others. Use our WordPress plugin to publish your puzzles with a shortcode.
Start creating and publishing your puzzles in 3 simple steps : 
1. Log in to <a href="https://puzzleme.amuselabs.com/pmm/login" rel="nofollow ugc">PuzzleMe</a>. 
2. Create a puzzle and copy the WordPress shortcode from the “Preview & Publish” page. 
3. Paste the shortcode in your page or post and hit Publish.
PuzzleMe is a registered trademark of Amuse Labs. By using PuzzleMe, you agree to our <a href="https://amuselabs.com/tos/" rel="nofollow ugc">terms of service</a> and <a href="https://amuselabs.com/privacy-policy/" rel="nofollow ugc">privacy policy</a>.

PuzzleMe for WordPress

Embed a PuzzleMe™ crossword, sudoku, word search, codeword, kriss kross, WordroW, jigsaw or quiz on your website, with just a shortcode

WP Sudoku Plus vs PuzzleMe for WordPress