Though it seems Sonic has explored all the worlds on his map ... Sonic learns about the ancient war between the Owls and the Echidnas, who used the Master Emerald for their intergalactic conquest.

Knuckles, the serious-natured, red echidna who joins Sonic other characters in their ... looking at the 1991 game and just see where it all started and just keep it simple,” Fowler said.