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12 / 12 (100%)
Gamerscore 200 / 200

Found 12 achievements for Gamerscore 200

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  • Emerald Hill 888
    Clear the Emerald Hill Zone 1.
    Main Storyline

    Unlocked Offline

    Gamerscore 5
    Score
    90%
    Common
  • Fast Emerald 524
    Beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode.
    Time-Limited

    Unlocked Offline

    Gamerscore 15
    Score
    53%
    Common
  • Fast Chemical 369
    Beat Chemical Plant Zone 1 in under 45 seconds.
    Time-Limited

    Unlocked Offline

    Gamerscore 20
    Score
    37%
    Uncommon
  • Casino 589
    Get to the Casino Night Zone.
    Main Storyline

    Unlocked Offline

    Gamerscore 10
    Score
    59%
    Common
  • Super Sonic 347
    Become Super Sonic.
    Missable Collectible

    Unlocked Offline

    Gamerscore 20
    Score
    35%
    Uncommon
  • Extended Super 345
    Stay in Super Sonic mode for one minute.
    Missable Collectible

    Unlocked Offline

    Gamerscore 20
    Score
    35%
    Uncommon
  • Chaos Emerald 594
    Get one Chaos Emerald.
    Collectible

    Unlocked 10-20-2013 07:32 AM

    Gamerscore 10
    Score
    60%
    Common
  • Chaos Master 347
    Get all the Chaos Emeralds.
    Missable Collectible

    Unlocked Offline

    Gamerscore 40
    Score
    35%
    Uncommon
  • Conquering Time 289
    Beat the game in under an hour.
    Main Storyline Time-Limited

    Unlocked Offline

    Gamerscore 10
    Score
    29%
    Rare
  • All Multiplayer 533
    Play all four multiplayer zones.

    Unlocked 09-22-2011 06:35 PM

    Gamerscore 5
    Score
    54%
    Common
  • Xbox Live Racer 445
    Win 10 versus zones on Xbox Live.
    Online Cumulative

    Unlocked 08-10-2017 02:23 PM

    Gamerscore 10
    Score
    45%
    Uncommon
  • Win 402
    Beat the game.
    Main Storyline

    Unlocked Offline

    Gamerscore 35
    Score
    40%
    Uncommon

Showing 12 of 12 achievements total