| Achievement | How to unlock
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| - Destroy at least 900 enemy ships.
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| - Complete the game on normal difficulty level.
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| - Destroy at least 1500 enemy ships.
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| - Destroy at least 200 enemy ships.
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| - Complete the game on Hard difficulty level.
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| - Destroy at least 600 enemy ships.
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| - Destroy at least 1200 enemy ships.
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| - Complete the game on easy difficulty level.
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| - Destroy at least 2000 enemy ships.
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| - Destroy at least 400 enemy ships.
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