Akumajou Densetsu
Castlevania 3….the best NES Castlevania game since the original Castlevania. The Japanese version here happens to have a bit of an edge over it's American port in the form of the VRC6 chip, which does most of its job improving the sound quality to that which would have given competition to the likes of the Sega Mark 3 (Japanese Master System) and the MSX2. Alas, most likely due to expense costs, the US Castlevania 3 never saw the VRC6, and in Japan, only three other games were ever given such an improvement.