AWESOME! Next level should be Chemical Plant Zone straight from Sonic the Hedgehog 2! Sonic 2 collision detection (to make the stage able to be completed), BOTH acts, complete with them both being in the same stage (to make it tricky), and an upgraded version of the original boss! (and have the normal theme fade out and modern theme fade in upon moving past the goalpost(which just spins) and have a working Sonic 2 styled score tally after opening the egg prison)