Do Sudoku puzzles with alphabets, no the numbers.
1. Without any ads.
2. Unlimited sudokus in 4 different difficulty levels.
3. Game Center support for leaderboards and achievements.
4. Support for iOS 6 and iPhone 5, new iPad, iPad4.
5. Support for hint.
6. Support for pencil mark.
7. Support for Undo and Redo.
8. Funny animations and sharp graphics.