Xevious is a vertical scrolling shooter arcade released by Namco in 1982 and ported to multiple platforms, including MSX, ZX Spectrum, Commodore 64, Amstrad CPC, Apple II. The Atari ST version, which you can download from GamesNostalgia, has been released in 1987.
Xevious is one of the first arcade featuring an aircraft flying over the Earth instead of the usual spaceship.