Have a saved game file from Sonic The Hedgehog 4: Episode 1, then complete Sylvania Castle Zone Act 1. Go to the "Map" screen and you can now play as Metal Sonic in Episode Metal.
Complete all the special stages and collect all seven Chaos Emeralds. To turn into Super Sonic collect 50 rings then press Triangle.
Complete the following tasks to unlock PlayStation 3 trophy rewards.
|Trophy||How to unlock
- Defeat all bosses as Super Sonic.
- All Chaos Emeralds Found! (Silver)
- Collect all seven Chaos Emeralds.
- All Red Star Rings Found! (Gold)
- Defeat the final foe after collecting every Red Star Ring.
- All Stages Cleared! (Bronze)
- Defeat the final foe and watch the ending.
- Clear all stages without returning to the World Map.
- Metal Sonic Falls (Bronze)
- Defeat Metal Sonic in SKY FORTRESS ZONE, Act 1.
- Clear SYLVANIA CASTLE ZONE, Act 1 in one minute or less.
- Beat Special Stage 1 after collecting every Ring.
- Activate the Rolling Combo with Sonic and Tails.
- Upload a Multiplayer score or time.
- The Adventure Begins (Bronze)
- Clear SYLVANIA CASTLE ZONE, Act 1.
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