The King of Dragons was released in July 1991 in the Japanese arcades. It was known there as the 15th video game made for this system.
Known re-release: "The King of Dragons [B-Board 90629B-3]
Pony Canyon / Scitron released a limited-edition soundtrack album for this game (Captain Commando : G.S.M. Capcom 5 - PCCB-00083) on March 21, 1992.