Zarzon

Zarzon (ザルゾン, ザーゾン), also known as Satan of Saturn (サタン・オブ・サターン), is a 1981 shoot 'em up arcade video game developed and manufactured by SNK and licensed to Taito for North American release. The gameplay is a variation of Space Invaders.

Fly your spaceship to Saturn, then once on Saturn destroy as many Satan's as possible. Additional bonus points can be accumlated by destroying the comet or attacking dragonflies. An additional spaceship is rewarded if the players score reaches 5,000 or 10,000 points. If the attacking UFOs or enemy rockets are destroyed, points will be scored. The game progresses through 4 different screens.