2/3 of them are references to

Sonic's Concept and is also a Skin in Sonic Superstars Cream's Debut (Though inconsistent looks)

A former 90s rival's (A red capped plumber guy) recent 3D platformer since 2017

Despite being Water (Or Mutated Chao) slime sounds

Act Music as Rounds? (may not apply to every stage)

The "Big Green Man" (Guest) teaser.

(Advance 1) Angel Island Zone.

Originally for Infinite Battle Now retooled

I've been a kind of not been posting a lot in here haven't I?

A tad broken but its still functional + a different set of animations for Sonic

I also currently have plans on updating this game's build to the nightly.

Giving the character's Icons some polish.

(Will be in the next update)

Basically

Valgallah's Cream's "Chao Force" Super

Command is

D,DF,F X+Y

That Hover Move.

It's like the OG game but less stiff.

So far. The Super Transformation is far from completion. (Super Sonic Sprites by "TheKnucklesMainG4")