| Achievement | How to unlock
|
|---|
| Admiral (80 points) | Get at least 100 stars in the campaign.
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| Captain (50 points) | Get at least 60 stars in the campaign.
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| Curious (30 points) | Try each of the arcade modes at least once.
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| Death Proof (80 points) | Beat every level without dying.
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| DieHard (10 points) | Beat a level without dying.
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| Ensign (30 points) | Get at least 40 stars in the campaign.
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| Excavator (50 points) | Find all secrets in the campaign.
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| First Impressions (10 points) | Kill 50 enemies.
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| Hidey-Hole (10 points) | Find a secret area.
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| Pacifist (20 points) | Complete 5 levels without firing a shot.
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| Rookie (10 points) | Get at least 20 stars in the campaign.
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| Xenocide (20 points) | Kill all enemies in 5 levels.
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