Alien Syndrome was released in January 1987 in Japan.
Alien Syndrome was sold in a dedicated cabinet by Sega, but was also sold as a conversion kit by Sun Corporation (licensed from Sega) for the America market only.
Donn Nauert holds the record for this game with 2,269,200 points on February 2, 1988.
Soundtrack releases :
October 10, 1987 - After Burner [Sega Game Music Vol.3] [28XA-109]
Legend of Game Music 2 - Platinum Box [Scitron Digital Contents - SCDC-00473 to 00482 - January 18, 2006]