Gyruss
Gyruss is a shooter from Konami
The game has been described as a cross between Galaga and Tempest. It's
a shoot-em-up through the Earth's solar system where the player's ship moves
in a circular orbit around the outer edge of the screen while shooting at
enemies in the center. Excellent synthesizer music score of Bach's Tocatta and
Fugue in D Minorquote;.
The purpose of this game is to fly through the solar system and reach Earth. The other planets that have you travel to before Earth are Neptune, Uranus, Saturn, Jupiter, and Mars. It only takes two warps to arrive at Neptune, but all others including Earth take three warps to get to.
Each time you reach a planet, there is a Challenge Stage where you try to
destroy as many enemies as possible. After reaching Earth, there is a Challenge
Stage followed by a very fast quote;three warps to Neptunequote;
stage.