Welcome to Super Mario 3D World! Upon waking up, you stood up as you looked around. The world around you was… 3D? You were confused about how you got here and why everything around you looked like this. Suddenly you see Mario but he was in a… yellow cat costume!? You also saw Luigi and Toad and Peach also in cat suits!? What could be happening? You decided to go and see Mario to find out what was happening.