Galaga

You are tasked with protecting your planet from deadly alien invaders that are flying through space at high speeds to kill your people and conquer the planet! Fly your fighter ship from the bottom of the screen and keep your eyes to the top for the descending alien invaders! Tactically blast them all to pieces to prevent the squadrons from making down to your position and breaking through your defences! The fate of them planet is in your hands!

If you loved this excellently cool and fun classic of the arcade halls then you'll no doubt want to try more from this epic series, like Galaga - Demons of Death, Galaga - Destination Earth and the fantastically cool Galaga 2.