Harsh languange? Boy, I'd hate to see your reaction if I started saying actual swear words.
Yes, but you could still tell if one was the other game with the sprites changed. Basically, if Blaster Master was just Metroid's engine, it'd basically be Metroid with a little white man as the main character, and the like. They're not THAT similar.
Where are these lemmings going? The
Super Nintendo Super Shire! Hop in line and follow them there!