Unlockable - Achievements |
| Emerald Hill (5) | Clear the Emerald Hill Zone 1. |
| Fast Emerald (15) | Beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode. |
| Fast Chemical (20) | Beat Chemical Plant Zone 1 in under 45 seconds. |
| Casino (10) | Get to the Casino Night Zone. |
| Super Sonic (20) | Become Super Sonic. |
| Extended Super (20) | Stay in Super Sonic mode for one minute. |
| Chaos Emerald (10) | Get one Chaos Emerald. |
| Chaos Master (40) | Get all the Chaos Emeralds. |
| Conquering Time (10) | Beat the game in under an hour. |
| All Multiplayer (5) | Play all four multiplayer zones. |
| Xbox Live Racer (10) | Win 10 versus zones on Xbox Live. |
| Win (35) | Beat the game. |
