This version of Double Dragon is a hack of the original NES release. Created by user Hiro1112, version 1.1 incorporates elements from the arcade version of the game, leading to some gameplay differences compared to the original NES release. The modification enhances various aspects of the game, although specifics of these changes would require detailed analysis of the ROM itself. It's a testament to the enduring popularity of the game and the active modding community surrounding retro titles.

Double Dragon (USA) [Hack by Hiro1112 v1.1] (Arcade Mix)

Double Dragon (Japan)