Bah, I forgot Metroid II.

Can't believe it, too- Metroid's one of my favorite series. Thanks for reminding me.

I guess forgot about the 2 Super Mario Lands, too, although they're over a decade old and shouldn't really count (then again, so is Metroid II). Still, that's 4 Zelda games, 3 Metroid games, and only 2 Mario games- Nintendo's been porting over NES and SNES Mario games ever since.