Game Center Achievements
The following are Game Center Achievements for Sonic the Hedgehog 4: Episode 1
| Unlockable | How to Unlock |
|---|---|
| All Stages Cleared! (100 pts) | Defeat the final boss and view the ending. |
| Contender (50 pts) | Upload your recorded clear times for all Time Attack stages. |
| Crush Dr. Eggman (50 pts) | Defeat a boss for the first time. |
| Enemy Hunter (50 pts) | Defeat 1,000 enemies. |
| Golden Flash (100 pts) | Clear all Acts as Super Sonic. |
| Immortal (100 pts) | Build up 99 or more extra lives. |
| Ring Collector (100 pts) | Collect all the Rings in 'Special Stage 1' and Clear the stage. |
| Speed's My Game (100 pts) | Clear SPLASH HILL ZONE ACT 1 in less than a minute. |
| Super Sonic Genesis (100 pts) | Axquire all seven Chaos Emeralds. |
| The First Chaos Emerald (100 pts) | Acquire a Chaos Emerald. |
| The Story Begins (50 pts) | Clear Splash Hill Zone, Act 1. |
| Untouchable (100 pts) | Clear the E.G.G. STATION ZONE without taking any damage. |
