Complete the indicated task to unlock the achievement.
Achievement | How to unlock
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| - Kill twenty enemies in rapid succession.
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| - Complete all challenges in a single player mode.
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| - Resurrect an ally in coop mode.
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| - Complete all challenges in coop mode.
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| - Kill thirty enemies with a single mega laser.
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| - Kill an enemy with a deflected bullet.
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| - Reach 1000 points without moving.
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| - Detonate thirty bombs with a single shot.
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| - Reach 2000 points in arcade mode.
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| - Reach 4000 points in arcade mode.
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| - Reach 6000 points in arcade mode.
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| - Reach 500 points without missing a single shot.
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| - Have fifty asteroids in the level at the same time.
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