Checking out the Sonic 3 November 3rd 1993 Prototype
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Published on ● Video Link: https://www.youtube.com/watch?v=Vbe0lESJ5SI
Get the prototype here:
https://bit.ly/3300Ql3
Apparently there's a drop dash if you press and hold up + jump during a jump, but it's a bit janky.
Also there's different art, different level layouts and music. I especially like the hanging animation and how Knuckles looks like in the intro, oh and the Carnival Night music (which was later used in the Sonic & Knuckles Collection) is probably the best thing to come out of this.
Check out my Gamebanana for mods: https://gamebanana.com/members/1604237
This is where you'll find mods such as Hedgehogs of Time for Sonic Mania.
More Mania mods:
https://steamcommunity.com/sharedfiles/filedetails/?id=1659908111