| Achievement | How to unlock
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| - Get 10,000 coins in the campaign.
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| - Find the fourth easter egg.
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| - Find the third easter egg.
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| - Kill 250,000 enemies in the campaign.
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| - Find the first easter egg.
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| - Kill 2,500 enemies in the campaign.
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| - Kill 25,000 enemies in the campaign.
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| - Get 1,000,000 coins in the campaign.
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| - Get 100,000 coins in the campaign.
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| - Survive the castle collapsing.
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| - Kill the Dragon on medium difficulty without having any crutches enabled.
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| - Kill the Dragon on hard difficulty without having any crutches enabled.
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| - Kill the Knight on hard difficulty without having any crutches enabled.
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| - Kill the Lich on hard difficulty without having any crutches enabled.
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| - Kill the Queen on hard difficulty without having any crutches enabled.
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| - Find the second easter egg.
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| - Kill the Knight on medium difficulty without having any crutches enabled.
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| - Kill the Lich on medium difficulty without having any crutches enabled.
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| - Kill the Queen on medium difficulty without having any crutches enabled.
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