From my own small collection, I think Bomberman 94 makes good use of the hardware. It is very colorful and has detailed graphics, making it easily match or even surpass SNES games. The chip generated music plays nicely on the ears, especially the level 1 and battle mode tunes are catchy. The underwater levels apply a very cool filter, from which I have no idea how it could be technically achieved. And it has support for five player simultaneous action.
Overall, a good package which ticks many boxes.
EDIT: From what I can see, the Genesis/Mega Drive port called Mega Bomberman had less colorful graphics, sounded worse and did not have the graphics filters.