what is this

Sandopolis?

Azure Lake

"Spectro:

ah yes,the overused background for sonic romhacks" from the https://www.spriters-resource.com/genesis_32x_scd/sonicth3/sheet…

average sonic final boss concept

Pumpkin Hill?

Past

title screen + menu

wait a sec

omg what is it?? ultra egma n ?????

???(maybe in game)