These are supplements from the monthly PC Engine magazine. * Gekiretsu Waza Special, November 1989 supplement * Gekiretsu Waza Selection, July 1990 supplement * Gekiretsu-Oh, June 1991 supplement * Gekiretsu Dai-Oh, June 1992 supplement * Gekiretsu Waza Perfect Collection, September 1993 supplement They are old, so please refer to the photos for the condition.