[quote:7ed8547fdc="MathUser"]I also found this Super Mario Kart scan. I dont recognize the level design at all.

http://i483.photobucket.com/albums/rr196/MathUser/s1_ComputerPlusVideoGiochi_Issue20_.jpg[/quote:7ed8547fdc]

You are wright! This track is probably an early version of the Mushroom Cup Round 2. Most of the track is the same (the upper part with the bridge). But you are wright, this was a prototype track that was mdified in the final version.

You can compare it to all the maps :

http://www.snesmaps.com/maps/SuperMarioKart/SuperMarioKartMapSelect.html