Unlockables

  • Avatar Awards

    Complete these challenges to unlock bonus material for your Xbox Live avatar.

    UnlockableHow to Unlock
    Dr. Eggman Modern Costume (Body)Defeat the last boss without taking damage.
    Dr. Eggman Modern Costume (Legs)Defeat the “Sylvania Castle Zone” boss without taking damage.

    Contributed By: SR71halo.

Achievements

  • Achievements

    AchievementDescriptionValue
    A Golden WaveDefeat all bosses as Super Sonic.10
    All Chaos Emeralds Found!Collect all seven Chaos Emeralds.30
    All Red Star Rings Found!Defeat the final foe after collecting every Red Star Ring.40
    All Stages Cleared!Defeat the final foe and watch the ending.10
    Endurance RaceClear all stages without returning to the World Map.25
    I Love TailsPlay as Tails 50 times.10
    Metal Sonic FallsDefeat Metal Sonic in SKY FORTRESS ZONE, Act 1.5
    Proof of SpeedClear SYLVANIA CASTLE ZONE, Act 1 in one minute or less.35
    Ring CollectorBeat Special Stage 1 after collecting every Ring.15
    Rolling Combo!Activate the Rolling Combo with Sonic and Tails.5
    Tag PartnerUpload a Multiplayer score or time.10
    The Adventure BeginsClear SYLVANIA CASTLE ZONE, Act 1.5

    Contributed By: Guard Master.

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