| Achievement | How to unlock
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|---|
| Best level 25 Score | Beat your level 25 score.
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| Best level 50 Score | Beat your level 50 score.
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| Best level 75 Score | Beat your level 75 score.
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| Carrier | Destroy an enemy Carrier.
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| Cat's Have... | Meowww.
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| Grunt | Destroy an enemy Grunt.
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| Grunt (Strong) | Destroy an enemy Grunt.
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| Probe | Destroy an enemy Probe.
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| Reach Level 100 | Reach Level 100.
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| Reach Level 25 | Reach Level 25.
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| Reach Level 50 | Reach Level 50.
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| Reach Level 75 | Reach Level 75.
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| Score 1M | Obtain a score of 1 million.
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| Score 250K | Obtain a score of 250,000.
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| Score 500K | Obtain a score of 500,000.
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| Scout | Destroy an enemy Scout.
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| Sentry | Destroy an enemy Sentry.
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| Space Algae | Destroy enemy Space Algae.
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| Spike | Destroy an enemy Spike.
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