| Achievement | How to unlock
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|---|
| Bee ( 25 points ) | Beat the game using only the pulse laser on Normal or Hard.
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| Beetle ( 15 points ) | Beat a boss using only the pulse laser on Normal or Hard.
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| Boom! ( 10 points ) | Kill 20 or more enemies in one shot with the Zorlon Cannon.
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| Cloned ( 10 points ) | Beat every level in Co-Op Mode.
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| Cockroach ( 25 points ) | Beat the game without dying on Normal or Hard.
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| Gnat ( 10 points ) | Beat a level without taking damage on Normal or Hard.
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| Hardcore ( 30 points ) | Complete all levels in Hardcore Mode.
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| Mosquito ( 10 points ) | Kill ( 1000) enemies with missiles.
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| Multiple-Madness ( 20 points ) | Get your multiplier above 100 on Normal or Hard.
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| Reaper ( 15 points ) | Beat a level in Hardcore Mode without dying.
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| Wasp ( 10 points ) | Kill ( 500) enemies with the railgun.
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| Yars' Revenge ( 20 points ) | Defeated Queen Raktamalina.
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