Super Mario Bros. 2 is actually a remake of Doki Doki Panic, which is a Japan-only Famicom Disk System game. Nintendo licensed Mario to Hudson Soft, who developed the first official sequel to Super Mario Bros. Nintendo then developed their own sequel to Super Mario Bros., releasing it in Japan as Super Mario Bros. 2. For you gamers, this is the fastest recorded time in which someone has finished Super Mario Bros. 2, warps included. So check out the video after the jump!
Via YouTube.
