| Achievement | How to unlock
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|---|
| Class clown (90 points) | Unlock all the pranks in "Back to School".
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| Cloned fir trees (60 points) | Kick all the Christmas trees.
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| Cloning is defeated (190 points) | Complete "The School Year".
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| Dance battle (60 points) | Change the music of the breakdancer.
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| Faster than its shadow (60 points) | Win "The Duel" 3 - 0.
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| Go thaw out (90 points) | Unlock all the pranks in "Snow Class".
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| Golden goal (60 points) | Get the soccer ball outside the school.
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| Hit! (60 points) | Hit the teacher with a paper ball in "Pop Quiz".
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| It's freezing cold (60 points) | Complete "Snow Class".
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| Ma'am, I don't feel well (60 points) | Ring for a nurse.
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| Pigeon chase (60 points) | Chase after the pigeons near Grandpa.
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| This isn't for idiots (90 points) | Play and win in "Duels of Death" mode.
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| Vacation is here! (60 points) | Complete "Back to School".
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