Sonic Frenzy 713c3e

A hack of the classic Sonic the Hedgehog of with new art and level layout in an attempt to create a fresh classic sonic experience. 706p4q

Sonic Frenzy Include the following features.
-New zone, Mushroom Mountain
-Less bottomless pitage
-Removed d**kish enemy placement
-Modified art and palette
-Modified springs
-Other small layout changes