| Achievement | How to unlock
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|---|
| - Purchase 8 guns from the store
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| - Complete Revolution 1 on any planet
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| |
| - Complete a Bro-Op Challenge!
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| |
| |
| - Purchase 20 armor pieces from the store
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| |
| |
|
| - Complete Revolution 10 on any planet
|
| - Complete 100 unique perfect waves
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| - Service 1000 targets with pistols
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| - Purchase 60 power ups from the store
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| |
| - Service 1000 targets with rifles
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| |
| - Service 1000 targets with shotguns
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| - Service 1000 targets with spread guns
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| - Destroy 30 Zombies in a single Streak
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| |
