Challenger x Sudoku1.4 Update in Visual Basic

The following Visual Basic project contains the source code and Visual Basic examples used for Challenger x Sudoku1.4 Update. This is my latest update of the application with more options as you will see.
The source code and files included in this project are listed in the project files section, please make sure whether the listed source code meet your needs there.

Project Files: 

File NameSize
features.txt 1198
Form1.frm 102019
Form1.frx 48
Project1.vbp 830
Project1.vbw 50
puzzles.txt 4150