This thing is WEIRD. http://kotaku.com/gaming/clips/clips-hudsons-odd-super-mario-bros-game-228888.php I'm constantly amazed that I still periodically hear about weird shit like this from the 80's that I never knew existed. Take note...it's not a side scroller. Mario moves from still screen to still screen. The graphics and music are awful. Mario disappears when he jumps. Just about the only cool thing about it is that the 99 life trick appears to work on any screen with a Koopa, since they just bounce off the side of the screen, or at least it looks that way.