Gyruss - Parker Bros (1984)

Based on the arcade machine of the same name, in Gyruss you must travel from beyond Neptune to the safety of Earth.  To do this, you must destroy enemy spacecraft, avoid meteors and reach the interim planets along the way.  Orbitting outside the centre of the screen, you must shoot inwards - different but it works!  Of special note is the atmospheric in-game music using Bach’s Toccata.