Welcome to SUbingDOKU.COM

SUbingDOKU ™ Team Challenge or Solitaire 

Here is how the SUbingDOKU ™ Digital Puzzles work:

1. Enter your educated guess in the open cells of the “SUbingDOKU ™” worksheet. A correct entry into the “SUDOKU” puzzle will be Blue. An incorrect entry into the “SUDOKU” puzzle will be Red.

2. Yes, it is that easy. You can also challenge a friend and test your Sudoku skills. Take turns and keep score as noted in “The Rules”.

SUbingDOKU ™ puzzles require the “Numbers” APP by Apple version 10.0 and iPadOS 13.4 (or later)

"YouTube" SUDOKU Challenge by SUbingDOKU ™ 

Step-by-Step SUDOKU puzzle solutions

using an Excel spreadsheet by SUbingDOKU ™ 

(search YouTube for SUbingDOKU 2023 or use the below YouTube links)

 SUDOKU ABC Combination Tutorial by SUbingDOKU 2023 (youtube.com) 

 01 SUbingDOKU BruteForce January 2024 (youtube.com) 

 New York Times Hard Sudoku Dec 24 2023

Step by Step Solution by SUbingDOKU (youtube.com) 

 BONUS SUbingDOKU Swordfish August 2023 (youtube.com) 

 BONUS SUbingDOKU Y Wing September 2023 (youtube.com) 

 SUbingDOKU Excel Digital Spreadsheet Technique (youtube.com) 

Master SUDOKU with These 3 Proven Strategies from SUbingDOKU 21June2025 (YouTube.com)

https://www.youtube.com/watch?v=wffhy0vRMF8

Backyard Airshow Oct 2025 by SUbingDOKU 

https://www.youtube.com/watch?v=xJSCXxb2qm8

Hard NYT SUDOKU 02November2025 

Example of QUAD solution 

https://www.youtube.com/watch?v=4iXgunRxzHk

SUbingDOKU NoGuess BruteForce May 2024

https://www.youtube.com/watch?v=YsRqvef1n4g

Use the below link to see the entire SUbingDOKU YouTube Playlist

 SUbingDOKU - YouTube