エイリアン シンドロームMk III Sega Mark III, 1987 Alien Syndrome エイリアン シンドローム Also released in North America and Europe. PlatformSega Mark III Released in Japan18 October 1987 PublisherSega Product codeG-1339 Mediaphysical Other regions North America Alien Syndrome March 1988, Sega, physical Europe Alien Syndrome March 1988, Sega, physical Add to my collection Open in Tana