File: Double.dragon.iv.zip ... Site

The main game file that runs the retro-engine.

Unlike the localized city brawls of the past, the story of the fourth installment takes Billy and Jimmy through varied locales, including Japanese castles and high-tech laboratories, to find the mastermind behind the Ghenghiz Gang. What's Inside the Zip? File: Double.Dragon.IV.zip ...

The narrative takes place shortly after the events of Double Dragon II: The Revenge . After defeating the Shadow Warriors, brothers have established "Sōsetsuken" dojos across the United States to maintain peace and spread their martial arts discipline. The main game file that runs the retro-engine

If you are looking at the digital contents of that file, you are likely finding: including Japanese castles and high-tech laboratories

A post-game unlockable where you fight through floors of enemies to unlock new playable characters (including the villains).