The Evolution in dimensions.
Lest who no understood the message, I made a reference to "Super Mario World" and "Super Mario 64" as two different dimensions, a more evolved than the other.
Dimension 1981 - Year in which the first game was released.
Dimension 1996 - Year of the Super Mario 64 was released.
In the art, portal is the "portal" standard of mario games, the green pipe.
Version, unlimited colors: http://i.imgur.com/kIDfaWb.png