Some powers are attacking and destroying our field, control a canon positioned on top of wall help general to save our country. Enemy blocks will build a small wall & destroy your canon. Use cannon to fire tap on screen to aim and shoot the target, show your shooting skill. Destroy blocks and gain powers to complete. You can keep only three shots in air so shoot carefully. More powers and more difficulties each level. 5 themes 25 levels each. More than 5 Hrs game-play. win to unlock more fun.