Organizing my NES Classic games... what distinguishes a platformer from an action game? Contra and Castlevania don't focus on platforming as much as Mario, but then you have Mega Man somewhere in between.
RoboWarrior is such a cool game that nobody knows of. It's a top-down action game kinda like Bomberman (shocker) but much more fast-paced and revolves around inventory management. I highly recommend it if you want a tough NES game.
It's hard to care about a world with next to no original ideas in it. Gorons, Zoras, Jabu-Jabu, Tingle for some reason? They don't DO anything interesting with these returning characters, they're just here.