| Achievement | How to unlock
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| - Kill 12 enemies with mannie's homing mines.
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- Cannonball jumping technique
| - Stop touching the ground and kill 3 enemies without landing.
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| - Earn all crowns on one floor.
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| - Do not pick anything up, but a single coin and keep it to the end of the game.
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| - Complete the game taking exactly one point of damage.
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