A physical science easygoing shooting match-up, the interactivity is intriguing, the activity is basic, control the cannon in the game to assault. The player needs to control a cannon stacked with "Mr. Projectile" to shoot, and the objective is to take shots at the objective. Players need to control their shooting bearing and shooting strength. "Mr. Slug" will fall as a parabola affected by gravity during the flight. The game levels are rich and intriguing, with expanding trouble, merry and mystical foundation audio effects, and exuberant difficulties, carrying unending delight to players!