Double Dragon II - The Revenge © 1989 Romstar, Incorporated.
Export version by Romstar for North America. Game developed in Japan by Technos. For more information about the game, please see the original Technos Japan version entry.
Even though the title screen says 1988, Double Dragon II was released in January 1989 in North America by Romstar, under license from Technos Japan.
ports only are listed here.