| Achievement | How to unlock
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| 28 Doors Later | Destroy 28 doors.
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| Barrel roll | Collect 100 Mutation Barrels.
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| Base Jump | Kill a zombie by making him jump from too high.
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| Braindead | Spend 104 minutes on the Credits page.
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| BRRAAAAIIIIIIIINNS!? | Lose a level by sacrificing your last zombie.
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| Don't Starve | Bite 1,337 humans to death.
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| Fast Food | Bite 10 humans to death in 15 seconds.
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| Hot Blood | Collect 1,000 DNA units.
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| Is it a bird? Is it a plane? No, it's Superzombie! | Fall with style for at least 10 seconds with a zombie.
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| IT deserved it | Kill Gronald.
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| It's not a hangover, it's the zombie flu! | Use 5 contaminations on humans.
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| Kamikaze | Blow up 4 humans with a single explosion.
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| Lemmings | Let 66 zombies fall to their death.
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| Minecraft | Blast through 256 breakable blocks.
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| Overkill | Kill 10,000 humans.
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| Pancake | Let a Tank get squashed.
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| R.I.P. | Let 1,000 zombies die.
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| Rocket Jump | Kill a zombie by blowing up another zombie nearby.
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| Romero In Juliette | Be patient!
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| Running Man | Kill 7 enemies with a single Tank dash.
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| Scream | Scare 6 humans with a single scream.
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| Soft Landing | Prevent a zombie from falling to its death by blowing up another zombie.
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| The brain is a lie | Defeat the Boss in Chapter 3.
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| The Incredible Gertrude | Defeat the Boss in Chapter 2.
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| The Ultimate Dead Form | Defeat the Boss in Chapter 4.
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| The Zombie Centipede | Assemble a horde of 12 zombies with a screaming Overlord.
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| True Zombie Apocalypse | Successfully complete all challenges.
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| You just fucked with the wrong zombies! | Defeat the Boss in Chapter 1.
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| ZNT: Five-star city | Kill 50 cops.
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| Zombie Apocalypse | Successfully complete all levels.
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| Zplatoon | Paint over 9,000 blocks with blood.
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