| Xbox 360 Gamerscore Achievements |
|---|
| Achievement | Gamerscore | Description |
|---|
| Centurion | 10 | Get 100 or more rings. |
| Clear Green | 5 | Clear the Green Hill Zone. |
| Fast Green | 10 | Beat Green Hill Zone Act 1 in under 35 seconds. |
| Fast Marble | 15 | Beat Marble Zone Act 1 in under 80 seconds. |
| Star Light Zone | 5 | Get to the Star Light Zone. |
| Spring Yard Zone | 7 | Get to the Spring Yard Zone. |
| Labyrinth Zone | 8 | Get to the Labyrinth Zone. |
| Chaos Emerald | 10 | Get one Chaos Emerald. |
| Chaos Master | 35 | Get all the Chaos Emeralds. |
| Win | 25 | Beat the game. |
| Fast Win | 30 | Beat the game in under 40 minutes. |
| Perfect Win | 40 | Beat the game without dying. |
|
