I like posting this gif around to see how many people think something's wrong with it.
I now understand how teleporters work so I've improved them a bit.
They're now as ancient as advertised!
Sonic 3's loops are inconsistent in terms of setup
Someone probably had this happen in one of them and forgot to update it on all of them
EGA paletted Art made around 2017 as a thumbnail for a ROM hack, it wound up going unused, no reason was given.
It didn't have a palette cycle so I added one that abides to the EGA palette.