:-) Sudoku - Classic Soduku app for iPhone and iPad

Sudoku, also known Number Place, is the most popular logic based number-placement puzzle in the world. Fill the 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids contains all of the digits from 1 to 9 now!

Sudoku Features:
- More than 20,000 well posed puzzles
- 6 perfectly balanced difficulty levels
- Complete Daily Challenges
- Turn on/off Notes (Pencil) mode as you like
- Highlight Duplicates to avoid identical numbers in a row, column and sub-grid
- Intelligent Hints can guide you through the numbers whenever you get stuck
- Super smooth interfaces like on paper/newspaper
- Unlimited Undo and Eraser to help you get rid of mistakes
- Highlighting of a row, column and sub-grid related to the selected cell to help you discover patterns
- Automatically saves your game when you get a phone call, switch applications, or lock the phone

If you enjoy Sudoku, this is the app for you!