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