Pirates vs Ninjas
This is one of those games where you shoot a cannon adjusting the angle and the power. In this case there are ninjas and pirates fighting each other. You play half of the levels as a pirate and half a s a ninja.
Your goal is to hit the people from the opposite band with your cannonballs. Levels look differently depending of what side you're on. Besides, ninja's cannonballs explode and pirates' ones don't.