| Achievement | How to unlock
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| 10 Hours! | And still going?
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| 15 Hours! | Go see your friends!
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| 5 Hours! | You have wasted 5 hours of your life.
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| Air Kill! | Zombies are not ment to fly.
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| Black Friday! | Survive 4 minutes in Night At The Mall. (Challenge mode)
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| Blood Waster! | Fight your way to round 20.
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| Feeling Sick! | Survive 4 minutes in Abandoned Hospital. (Challenge mode)
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| Get Back In Da Grave! | Slaughter 5000 zombies in total.
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| Get Your Hands Dirty! | Kill 15 zombies with a katana, and 25 with saw in one match.
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| Getting Colder! | Survive 4 minutes in RedSnow. (Challenge mode)
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| Hack'n Slash! | Slice 53 zombies in one match.
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| Hide And Seek! | Find the fridge and make it disappear. Repeat 3 times.
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| I Told You To Get Back! | Slaughter 10 000 zombies in total.
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| I Want To Be Free! | Open all areas in a single match.
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| I'm Not A Wise Man! | Get yourself killed with a grenade. Dumbass.
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| I'm Rich! | Own atleast 5000$ in one match
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| Ima Fire With Mah Lazor! | Get the GiGaGirlGannon, and kill 10 zombies within 10 seconds.
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| Mah Boomstick! | Get a shotgun, and make 50 zombies crawl in front of you.
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| Medic! | Help your friend in need.
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| One Hour! | You have played ZKW for an hour.
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| Poppi'n Heads! | Get 100 headshots in one match.
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| Rank 10! | Get promoted to rank 10.
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| Rank 30! | Get promoted to rank 30.
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| Sacrilege! | Survive 4 minutes in Arise. (Challenge mode)
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| Such An Meaty Strike! | Get a 3 meats strike from the fridge.
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| Tank Dispencer! | Encounter all 3 tanks, and get them killed.
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| Taxidermy! | Kill the zombie bear before he takes your money.
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| Where Am I Going? | Stand still for 30 seconds, wondering about your life.
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| You Smell That? | Grill 50 zombies with flame in a single match.
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