And to add, that means all the other characters would have to be humanized, and for some of his characters (particularly that snake guy), the results would be very odd.
I've heard somewhere there's a tutorial or a lib (or something) that has a Launch Base Act 2 style parallax (both above and below water). I searched around though and can't seem to find it. Does anyone still have it?
Well you are improving on the "multi-layer" aspect of level tiles. Maybe change the ice levels tiles since your speed level already is using glass blocks?
Liking the progress, the badnik reminds me of the rock badnik from LRZ in a way.
Does the pole Sonic is hanging on swing left and right? Looks like it does.
Hez, your levels are definitely showing your skills evolving and improving from Classic 1!