Double Dragon (双截龙) on Neo Geo is the 1995 Technos one-on-one fighter built from the beat-'em-up's cast, not another walk down the street.
Double Dragon (双截龙) on the Neo Geo is Technos Japan's 1995 one-on-one fighting game — not a port of the side-scrolling beat-'em-up the name is better known for, but a separate game built around the live-action film of the previous year.
Billy and Jimmy Lee are here, and so are characters written for the film, fought on an arcade fighting system of the mid-nineties rather than the belt-scrolling brawler the series started as. It is the odd entry in the family, and the reason the name appears twice in arcade listings.
The archive runs this one in the browser from data you bring. Its fighting controls are listed on the page alongside the bindings, which you can change; nothing you load is uploaded.
All 103 games in Old Games