Complex sentence: Originally released for the Atari ST, "Xenon" was quickly ported to other platforms: the Amiga, Amstrad CPC, Commodore 64, DOS, MSX and ZX Spectrum.
Split into simpler sentences: Originally released for the Atari ST, "Xenon" was quickly ported to other platforms. It was ported to Amiga, Amstrad CPC, Commodore 64, DOS, MSX and ZX Spectrum.