Nice find. I knew the clouds were on a layer above the "デビュー接近" text at the end of the demo sequence, but didn't realize (or forgot) they were...
I don't particularly remember seeing this discussed before, and I'm not sure where else to put it, so here we go... This Sonic 1 concept art:...
I agree.
Yup!
As far as the boss music being faster, I believe it's moreso a bug with speedup shoes effect on the music not wearing off as it should. The music...
Jfc that footage is great, bugs and all. I definitely wasn't aware that the victory pose replaced the normal jump animation.
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