Clear the E.G.G. STATION ZONE without taking any damage.
Clear SPLASH HILL ZONE ACT 1 in less than a minute.
Defeat 1,000 enemies.
Build up 99 or more extra lives.
Upload your recorded scores and clear times for all stages.
Clear all Acts as Super Sonic.
Acquire all seven Chaos Emeralds.
Collect all the Rings in 'Special Stage 1' and Clear the stage.
Defeat the final boss and view the ending.
Defeat a boss for the first time.
Acquire a Chaos Emerald.
Clear SPLASH HILL ZONE, ACT 1.
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