Super Mario Maker (lost demo E3 demo of Wii U game, 2014)

Super mario maker was a wii u game release in 2015 for the nintendo wii u

The demo of the E3
The e3 demo had several different things. as mario with the wierd mushroom looked different being a simple little stretched mario and some soundtracks sounded different from the final game. and in matter of the graphics the game had a more remarkable shading of the objects which was changed to look more like a game of the nes.

Availability
So far the only thing they have are some videos tested this demo.