Super Mario Brothers 3 came out in 1988 and is widely considered to be one of the greatest side-scrolling Mario games of all time. But even that game went through a beta phase and we have a video to prove it.

Generally regarded as one of the most popular side-scrolling Mario games of all time, Super Mario Bros. 3 has reached an almost god-like status. Having come out in 1988, chances are you have played through this game multiple times, even if you weren't born by then. However, just like every video game made, Super Mario Bros. 3 did at one point go through a beta stage

james.pungello via gamergaia.com »