OpenSudoku got ported over from Android and is available as a Blackberry Playbook game. There are 30 levels with 3 degrees of difficulty. In order to play it, you do need the Android Player for the Playbook.
OpenSudoku is the BlackBerry® PlayBook™ port of OpenSudoku for Android.
With three levels of difficulty: Easy, Medium and Hard each level has 30 built-in puzzles.
Create your own puzzles or download them from the Internet.
Organize Sudoku puzzles into folders.
Portrait and Landscape mode are both supported.
Get it for free from Blackberry App World.
OpenSudoku is an open source Sudoku game released under GNU GPL v3 license.