Video's Revenge

An arcade shoot-'em-up which flips Defender by 90 degrees. You fly your ship through various waves of different types of enemy ships similar to those found in Defender - i.e. there is a baiter-type, pods, swarmers, landers (except that they don't land). There is also an added feature of an energy balloon; blast this twelve times and your firepower is increased. Your armament initially consists of …