America - Front
America - Back
After clearing Terminal Velocity with all emeralds, wait until the credits are over, then go back into the game. You'll get a quick cutscene and the final stage will be accessible from the very top of the world map.
Unlockable: | How to unlock: |
Nega-Mother Wisp | Collect all seven emeralds and clear Terminal Velocity |
Unlockable | How to Unlock |
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