| Achievement | How to unlock
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|---|
| Arachnophobia (Bronze) (5 points) | Kill 50 Spiders.
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| Arachnophobia (Gold) (20 points) | Kill 200 Spiders.
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| Arachnophobia (Silver) (10 points) | Kill 100 Spiders.
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| Black Metal (Gold) (10 points) | Perform 30 Black Metal combos.
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| Black Metal (Silver) (5 points) | Perform 10 Black Metal combos.
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| Blue Flavour (50 points) | Complete the game with Crystal.
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| Collector (190 points) | Unlock all of the Zombie Museum items.
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| Death Metal (Gold) (20 points) | Perform 20 Death Metal combos.
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| Death Metal (Silver) (10 points) | Perform 5 Death Metal combos.
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| Heavy Metal (Gold) (10 points) | Perform 50 Heavy Metal combos.
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| Heavy Metal (Silver) (5 points) | Perform 10 Heavy Metal combos.
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| Hot girl (Bronze) (5 points) | Destroy 25 explosive items.
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| Hot girl (Gold) (20 points) | Destroy 100 explosive items.
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| Hot girl (Silver) (10 points) | Destroy 50 explosive items.
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| Love in trenches (Bronze) (10 points) | Kill 25 Marines.
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| Love in trenches (Gold) (30 points) | Kill 100 Marines.
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| Love in trenches (Silver) (20 points) | Kill 50 Marines.
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| Master of Metal (65 points) | Get the achievements 'Rock & Roll (Gold)', 'Heavy Metal (Gold)', 'Black Metal (Gold)' and 'Death Me.
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| Miss universe (200 points) | Unlock all achievements.
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| Purist (100 points) | Complete the game on Hardcore difficulty without using any Continue.
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| Red Flavour (50 points) | Complete the game with Zoe.
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| Rock and Roll (Gold) (10 points) | Perform 50 Rock & Roll combos.
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| Rock and Roll (Silver) (5 points) | Perform 10 Rock & Roll combos.
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| Yellow Flavour (50 points) | Complete the game with Sasha.
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| Zombie killer (Bronze) (20 points) | Kill 500 Zombies.
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| Zombie killer (Gold) (40 points) | Kill 5000 Zombies.
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| Zombie killer (Silver) (30 points) | Kill 2500 Zombies.
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