Galactic Crossfire

You take control of a tank surrounded by a shield. On opposite sides of it are bushes which various types of enemies emerge from. These enemies not only shoot at you, but they are also capable of destroying the shield and have the ability to call in reinforcements if their numbers are low. Your object, then, is to wipe out any enemies that appear as soon as you can before more appear. Your tank can block their shots and can also destroy any bushes. You proceed to the next level once there are no more enemies on the screen. The game can be played with two players, but not simultaneously.