BitCaper has announced it has lowered the price of Block Knights, a puzzle game for the iPhone and iPod Touch, to a promotional price of 2.99USD. In Block Knights, the goal is to create rows and columns of blocks, score points, destroy enemies and rule the leader boards with high scores. With Block Knights, players can tilt the iPhone to send the pieces in any direction on the board. You can rotate pieces by tapping the screen and lock them together or against any of the four edges of the board.