Aquatron

In Aquatron, Aquatron is a side-scrolling shooter in which the player controls a spaceship over a planet completely covered with water. Unfortunately the planet is under attack and in each level, the player has to kill the steadily increasing opposition. The spaceship can be turned and is able to move both over and under water. Ammo and shield (depleted after enemy hits) are limited, but can be replenished by collecting parachutes which are dropped by the home base (a zeppelin) which is stationed somewhere over the planet. One...