Successfully complete all special stages, and collect all seven Chaos Emeralds. Then, collect 50 rings and press Y to turn into Super Sonic.Achievements
Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
- The Adventure Begins (5 points): Clear SYLVANIA CASTLE ZONE, Act 1.
- Rolling Combo! (5 points): Activate the Rolling Combo with Sonic and Tails.
- Metal Sonic Falls (5 points): Defeat Metal Sonic in SKY FORTRESS ZONE, Act 1.
- A Golden Wave (10 points): Defeat all bosses as Super Sonic.
- All Stages Cleared! (10 points): Defeat the final foe and watch the ending.
- Tag Partner (10 points): Upload a Multiplayer score or time.
- I Love Tails (10 points): Play as Tails 50 times.
- Ring Collector (15 points): Beat Special Stage 1 after collecting every Ring.
- Endurance Race (25 points): Clear all stages without returning to the World Map.
- All Chaos Emeralds Found! (30 points): Collect all seven Chaos Emeralds.
- Proof of Speed (35 points): Clear SYLVANIA CASTLE ZONE, Act 1 in one minute or less.
- All Red Star Rings Found! (40 points): Defeat the final foe after collecting every Red Star Ring.