ACHIEVEMENT - HOW TO UNLOCK A Golden Wave - Defeat all bosses as Super Sonic. All Chaos Emeralds Found! - Collect all seven Chaos Emeralds. All Red Star Rings Found! - Collect all Red Star Rings All Stages Cleared! - Defeat the final foe and watch the ending. Endurance Race - Clear all stages without returning to the World Map. I Love Tails - Play as Tails 50 times. Metal Sonic Falls - Defeat Metal Sonic in SKY FORTRESS ZONE, Act 1. Proof of Speed - Clear SYLVANIA CASTLE ZONE, Act 1 in one minute or less. Ring Collector - Beat Special Stage 1 after collecting every Ring. Rolling Combo! - Activate the Rolling Combo with Sonic and Tails. Tag Partner - Upload a Multiplayer score or time. The Adventure Begins - Clear SYLVANIA CASTLE ZONE, Act 1.