CastleStorm - Free to Siege Released, Launch Video/Screens Available

It's Knights vs. Vikings in CastleStorm, where medieval warfare meets 2D physics-based destruction
CastleStorm - Free to Siege, the mobile version of CastleStorm, is available now for iOS, Google Play and Amazon devices, Zen Studios announced. It includes four full campaigns with 150 battles and four nations with distinct troop classes, weapons, spells, bonus rooms, and eight playable hero characters as well as brand new spells for the mobile version.
Six screenshots and a video are available for your viewing pleasure.