I mean, I’ve seen the sprites before. I’ve seen a two second clip of Samus taking off the helmet. I’m not wholly unaware of Metroid as a game, but I’ve never watched it being played before. I certainly have no familiarity with any of the map/rooms/etc.
I guess I am just one of Today’s Lucky 10,000! (even though I’m not in the US, but this xkcd comic is great)
