World 1 Demo 1.0.0

Hey there! It's me, enzopuzzlesolver.

This is the first demo of the entire Into The Shift (or as I sometimes say it, ITS) history.

I'm gonna change levels 1-17, 1-19 and 1-20 because 1-17 is not level design at all, and 1-19 and 1-20 were just fillers.