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Emerald Hill: Clear the Emerald Hill Zone 1.
Earned Wed Apr 6 20:00:11 2011 |
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Fast Emerald: Beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode.
Earned Wed Feb 29 00:48:27 2012 |
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Fast Chemical: Beat Chemical Plant Zone 1 in under 45 seconds. |
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Casino: Get to the Casino Night Zone.
Earned Wed Apr 6 20:16:01 2011 |
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Super Sonic: Become Super Sonic. |
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Extended Super: Stay in Super Sonic mode for one minute. |
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Chaos Emerald: Get one Chaos Emerald.
Earned Wed Feb 29 01:05:33 2012 |
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Chaos Master: Get all the Chaos Emeralds. |
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Conquering Time: Beat the game in under an hour. |
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All Multiplayer: Play all four multiplayer zones.
Earned Wed Feb 29 01:37:43 2012 |
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Online Racer: Win 10 versus zones in online play. |
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Win: Beat the game. |