That is pretty awesome though. I have a repro cart and that would go nicely. BTW this game is impossible.
I haven't checked out this one yet (honestly I probably never will) but, having played literally hundreds of hacks over the years, mostly NES hacks, I've found:
-There are very few that are actually complete, original, and show that GOBS of effort went into them
-Most are incomplete (and open about it)
-Of those that are marked complete, 50% of them really don't look it
-Many seem to be the result of a 'let's see how difficult we can make this game' challenge, and not really fun to play, just impossible to get through
-The rest are lame sprite/text hacks involving porn, gore, Nazis, the KKK, or some combination of these