Ninja Gaiden II: The Dark Sword of Chaos (Spanish)(Complete)(NES) & Ninja Gaiden III: The Ancient Ship of Doom (Spanish)(Complete)(NES) both state...
This translation has some enhancements over the original English version.
Since I can't read Spanish I was curious if anyone knew what the enhancements were?
All script wise, script expansion, fixed some awkward sentences where engrish was used.
Nothing more, guess I didn't want to touch any sprite because I have a lot of respect for the saga.