Achievements
A Golden Wave (50) - Defeat all bosses as Super Sonic.
All Chaos Emeralds (100) - Collect all seven Chaos Emeralds.
Metal Sonic Falls (50) - Defeat Metal Sonic in SKY FORTRESS ZONE, Act 1.
Proof of Speed (100) - Clear SYLVANIA CASTLE ZONE, Act 1 in one minute or less.
Ring Collector (100) - Beat Special Stage 1 after collecting every Ring.
All Red Star Rings (100) - Collect every Red Star Ring.
All Stages Clear (100) - Defeat the final foe and watch the ending.
Endurance Race (100) - Clear all stages without returning to the World Map.
I Love Tails (100) - Play as Tails 15 times.
Rolling Combo! (50) - Activate the Rolling Combo with Sonic and Tails.
Tag Partner (100) - Clear one Act in Multiplayer Mode.
The Adventure Begins (50) - Clear SYLVANIA CASTLE ZONE, Act 1.