| Achievement | How to unlock
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|---|
| Advance (3 points) | Unlock the second map.
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| Arms Dealer (25 points) | Spend $49.99 total.
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| Battle-Scarred (5 points) | Reach level 50.
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| Beginner's Luck (2 points) | Complete any stage without getting hurt.
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| Bionic Man (10 points) | Gain 1 X-800 set.
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| Brawler (5 points) | Gain 1 Zombie Buster.
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| Commando (5 points) | Reach level 30.
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| Cremation Stove (20 points) | Reach level 150.
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| Cross Hell (20 points) | Reach level 200.
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| Cyclone (5 points) | Gain 1 Ninja set.
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| Expendable (5 points) | Reach level 10.
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| Fireworks (10 points) | Gain 1 Multirocket.
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| First Meeting (2 points) | Use a friend's character as your ally in battle.
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| Grinder (10 points) | Reach level 100.
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| Hardcore (5 points) | Gain 1 Death Squads set.
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| Heavy Fire (10 points) | Gain 1 Volcano.
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| Hired Guns (10 points) | Invite 30 friends into the game and have each friend complete one battle.
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| Immortality (2 points) | Use on Epinephrine.
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| Indomitable (5 points) | Die 99 times.
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| Inside Man (5 points) | Gain 1 Zombie Assassin.
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| Ionic Man (15 points) | Gain 1 Massacre Cannon.
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| Lord of War (25 points) | Spend $99.99 total.
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| Negligent (10 points) | Allow your ally to die 200 times.
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| No Man Left Behind (5 points) | Protect your ally from dying for 20 consecutive waves.
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| Overmind (50 points) | Reach level 255.
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| Pandora's Box (5 points) | Make your first in-app purchase.
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| Partial Clearance (20 points) | Complete the first map.
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| Perseverance (5 points) | Login 7 days in a row and claim your reward.
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| Popcorn (10 points) | Take damage from 100 Gasbombs.
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| Savior (3 points) | Gain 1 Hacker set.
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| Skillful Fighter (10 points) | Can't Touch This: Complete 20 consecutive perfect waves.
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| Stage Victory (20 points) | Complete the second map.
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| Strength and Honor (5 points) | Gain 1 Gladiator set.
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| Weekend Warrior (5 points) | Kill 1000 zombies.
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| Zombie Slayer (15 points) | Kill 10000 zombies.
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