This is a list of Extra Zones where the true final boss is fought, usually by Super Sonic. They can be unlocked by collecting all Chaos Emeralds from Special Stages.
To add an article to this category, put [[Category:Extra Zones]] in that article.
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Egg Reverie Zone -
The Doomsday Zone -
Exception -
Nonaggression -
The Moon Zone -
Crystal Egg Zone -
Radiant Emerald -
True Area 53
All items (11)
