In Galactic Missile Defense, the player has to defend the earth against a Martian invasion. The player has three missile turrets. The aim is to protect the turrets, keep them supplied with ammunition, and shoot the enemy spaceships.
How to play Galactic Missile Defense?
Players can use each turret in turn to shoot at the enemy spaceships. The player can use various upgrades to enhance the three missile turrets. Enemies will fire back and try to destroy the turrets. Keeping all turrets operational will help the player stay alive.