This 6-minute version of Downtown Game from City Hunter '91 was so epic, and it is so way better than the original 5-minute version! Too bad this extended version of the song 🎵 is not on the City Hunter '91 soundtrack or on the City Hunter Sound Collection.
You can find the full album on RU-vid, uploaded by a user called Music Flower. Look up "GWINKO 東京UKIUKI GIRL" in the search box and it is the full result.