| Achievement | How to unlock
|
|---|
| 88 Miles Per Hour (5) | Travel through time.
|
| All Stages Clear! (15) | Finish the game.
|
| Dr. Eggman Got Served (30) | Destroy Dr. Eggman's final machine.
|
| Heavy Metal (15) | Defeat Metal Sonic without getting hurt.
|
| Just In Time! (35) | Complete the Time Attack mode in under 25 minutes.
|
| Just One Hug is Enough (5) | Get a hug from Amy.
|
| King of the Rings (10) | Collect 200 Rings.
|
| Paradise Found (5) | Complete a Zone in the Good Future.
|
| Saviour of the Planet (40) | Destroy all the robot transporters and Metal Sonic holograms in the past.
|
| Statue Saviour (10) | Find the angel statue in Wacky Workbench.
|
| Take the High Road (10) | Pass the upper signpost in Collision Chaos Zone 2.
|
| Treasure Hunter (20) | Collect all the Time Stones.
|