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