Super Mario Bros. is arguably one of the greatest games in the history of pixels moving around on-screen–if nothing else, it has the kind of sales that would make anyone sit up and pay attention. And with fans from around the world, it’s hardly surprising that the game has been played nearly to perfection. At this point, Mario may be almost as famous as Mickey Mouse–but there are probably still a few things you don’t know about the plumber and the worlds he’s adventured through.
In any game, there are bound to be easter eggs hidden somewhere by bored programmers and wily designers, but Mario practically explodes with them. Here are some of our favorite Mario trivia facts; see how much you know!