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Emerald Hill: Clear the Emerald Hill Zone 1.
Earned Sat Jun 4 02:44:34 2011 |
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Fast Emerald: Beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode.
Earned Tue Jun 7 06:22:24 2011 |
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Fast Chemical: Beat Chemical Plant Zone 1 in under 45 seconds.
Earned Thu Jun 9 21:09:27 2011 |
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Casino: Get to the Casino Night Zone.
Earned Mon Jun 13 01:25:54 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 Mon Jun 13 00:52:20 2011 |
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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 Jun 8 02:57:07 2011 |
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Online Racer: Win 10 versus zones in online play.
Earned Sun Jun 12 23:22:21 2011 |
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Win: Beat the game.
Earned Wed Jun 15 19:33:59 2011 |