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Sonic the Hedgehog

Unlockables

  • Achievements

    Complete each achievement to get the allotted gamerscore.

    UnlockableHow to Unlock
    Blue Phantom (20)Super Sonic Obtain the all moves.
    Dark Hero (50)Meet all the requests with magnificent skill.
    Elite Agent (40)Complete all the tasks given as agent.
    Gold Medalist (50)Collect all the Soleanna legendary Gold Medals.
    Legend of Soleanna (100)Overcome all trials and accomplish a great feat.
    Nights of Kronos (60)Unlock the complete ending to the last hidden story.
    One to Reach the End (20)End the last hidden story.
    Psychic Soldier (20)Obtain all the power to save the future world.
    Shadow Episode: Cleared (30)Clear Shadow Episode!
    Shadow Episode: Completed (40)Clear unlocked Shadow difficult level mission.
    Shadow Episode: Mastered (60)Clear all unlocked Shadow ACT Missions with Rank S.
    Silver Episode: Cleared (30)Clear Silver Episode!
    Silver Episode: Completed (40)Clear unlocked Silver difficult level mission.
    Silver Episode: Mastered (60)Clear all unlocked Silver ACT Missions with Rank S.
    Silver Medalist (50)Collect all the Silver Medals scattered around Soleanna.
    Silver The Liberator (40)Solve all the mystery in Soleanna.
    Silver The Savior (50)Reveal all the secrets with your ultimate power.
    Soleanna's Blue Wind (50)Solve all the problems swiftly.
    Soleanna's Hero (40)Solve all Soleannans' problems.
    Sonic Episode: Cleared (30)Clear Sonic Episode!
    Sonic Episode: Completed (40)Clear unlocked Sonic difficult level mission.
    Sonic Episode: Mastered (60)Clear all unlocked Sonic ACT Missions with Rank S.
    Ultimate Life Form (20)Resurrect the ultimate power from the lost memory.

    Contributed By: Llamaman2.

  • Last Episode

    To Unlock the Last Episode, beat Sonic's Episode, Silver's Episode, and Shadow's Episode.

    UnlockableHow to Unlock
    Last EpisodeBeat Sonic's Episode, Shadow's Episode, and Silver's Episode

    Contributed By: Bryan199227.

  • Music Unlocks

    Upon completing each story, you unlock that specific characters theme in the Audio Room

    UnlockableHow to Unlock
    Elise's Theme100% The Last Episode
    Shadow's Theme - All Hail Shadow100% Shadow's Episode
    Silver's Theme - Dreams of An Absolution100% Silver's Episode
    Sonic's Theme - His World100% Sonic's Episode

    Contributed By: metalmadnessx.

  • Unlock 'Extras' Menu

    Complete either Sonic, Shadow, or Silver's story 100% to unlock the Extras menu on the main menu.

    UnlockableHow to Unlock
    Audio RoomComplete Sonic, Shadow, or Silver's story 100%
    Theater RoomComplete Sonic, Shadow, or Silver's story 100%

    Contributed By: HarroSIN.

  • Unlockable Characters

    Meet certain requirements in Sonic's story to unlock Shadow and Silver's stories.

    UnlockableHow to Unlock
    Shadow The HedgehogComplete 'Crisis City' with Sonic
    Silver The HedgehogComplete 'Silver The Hedgehog' boss battle with Sonic

    Contributed By: HarroSIN.

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Sonic the Hedgehog Resources

GameSpot

Visit GameSpot for more Sonic the Hedgehog, including 1 review, 4 previews, 8 news stories, 106 screenshots and 27 gameplay movies.

Game Rankings

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Game Detail

Sonic the Hedgehog

Xbox 360

Titles rated E10+ (Everyone 10 and older) have content that may be suitable for ages 10 and older.