ii Sudoku by Color Premium

ii Sudoku by Color is a simple, intuitive, interactive, and easy to use application.

The "ii Sudoku by Color Premium" includes over 4,500 puzzles.

The ii Sudoku by Color offers:
1. Seven puzzle levels - Easiest, Easier, Easy, Medium, Hard, Harder, and Hardest
2. Each puzzle level is methodically determined and explained
3. Ability to switch between Color and Classic modes with single press of a menu icon
4. Interactive or Do No Disturb puzzle check modes
5. Shows and updates possible values with each input (when selected)
6. Hint for difficult cells
7. Undo to clear a mistake
8. Ability to Save puzzle to resume later

It's a stand-alone program with embedded puzzles.
Online access is not necessary.
There are no advertisements.

And it's for Everyone!