Clear SPLASH HILL ZONE, ACT 1.
Defeat a boss for the first time.
Acquire a Chaos Emerald.
Enemy Hunter
10Defeat 1,000 enemies.
Golden Flash
10Clear all Acts as Super Sonic.
Defeat the final boss and view the ending.
Contender
10Upload your recorded scores and clear times for all stages.
Collect all the Rings in 'Special Stage 1' and Clear the stage.
Immortal
25Build up 99 or more extra lives.
Acquire all seven Chaos Emeralds.
Clear SPLASH HILL ZONE ACT 1 in less than a minute.
Untouchable
40Clear the E.G.G. STATION ZONE without taking any damage.