In Sonic X-Treme Metal Sonic was goind to recieve numerous upgrades to be fought as bosses.
Metal Sonic X-Treme

Metal Sonic X-Treme

Giant Metal SonicEdit

The boss fight agianst Metal Sonic, he would have been giant.

Mark IIIEdit

Would have been red with spearlike arms

Mark IVEdit

would have looked like Sonic but with Hovering capebilities and A diffrent face.

Mark VEdit

Would have been ball shaped.