Restore original difficulty

The american gamecube version is more difficult in some aspects because weapons have lower stats, items at the merchant are are more expensive, the map has less collectable items, novistadores didn't always drop a reward when they were killed etc. Since the gamecube European version, every later version of RE4 had its difficulty eased including the Steam version. Here is a video comparing:


is it possible a mod to restore this original difficulty of the gamecube american version?