| Achievement | How to unlock
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| - Clear LAST part in story mode.
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| - Clear all 3 modes in Boss Attack Mode.
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| - Raise all 5 properties of any one Chao up to level 10.
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| - Name your Chao for the first time.
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| - Clear DARK side in story mode.
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| |
| - Raise a HERO Chao and a DARK Chao with your hero and dark characters respectively.
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| - Clear stage 1 on either side in story mode.
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| - Clear HERO side in story mode.
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| - Beat all your enemies in Super Level in Chao Karate 1P mode.
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| - Play all level 4 stages in Action Race, Treasure Hunter and Shooting Battle.
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| - Win all A RANKs (5 A RANKs) in any one stage in story mode.
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| - Win NO.1 in expert level in kart race.
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| - Win A RANK in all stages in Story Mode.
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