Hexage has a whole catalog of well rated and downloaded apps for iOS and Android that they have started bringing to the PlayBook. Better yet they have committed to bringing their whole catalog of games to the BlackBerry 10 platform. They have just released the slick Radiant Defense tower defense game along with Radiant which is a classics game roundup. On top of that they are also bringing Robotek, EVAC, Totemo, Everlands and Buka to BlackBerry 10 and the PlayBook.
Check out the games in App World below or on their website www.hexage.net
You can find demo videos of gameplay below: