| Achievement | How to unlock
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|---|
| BAMBI | Killed 100 zombies with the thumper.
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| EAT LEAD | Killed 100 enemies with the gatling gun.
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| ESCAPE THE CEMETERY | Unlocked the zombie farm (Level 5 unlock).
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| EXPLOSIVE | Unlocked the Thumper.
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| HAPPY CAMPER | Unlocked the sniper rifle.
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| I SPY WITH MY LITTLE EYE | Fully upgraded the sniper rifle.
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| KING OF THE HILL | Killed the Skeleton King.
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| LEFT FOR DEAD | Died 25 times.
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| LOCK AND LOAD | Fully upgraded the AK47.
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| MAXIMUM DAMAGE! | Fully upgraded the Thumper.
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| MAXIMUM FIREPOWER! | Fully upgraded all weapons.
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| MY ITCHY TRIGGER FINGER | Killed 5000 zombies.
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| PINPOINT POPPER | Achieved 500 head-shots.
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| PISTOL JUNKY | Fully upgraded the pistol.
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| PISTOLS AT DAWN | Killed 100 zombies with the pistol.
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| PUMPED UP! | Fully upgraded the shotgun.
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| RATATATATA! | Unlocked the AK47.
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| RECOIL READY! | Unlocked the Shotgun.
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| RED MIST | Killed 100 zombies with the sniper rifle.
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| ROCK PAPER SHOTGUN | Killed 100 zombies with the shotgun.
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| SAY HELLO TO MY LITTLE FRIEND | Killed 200 zombies with the gatling gun.
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| SURVIVOR | Killed 1000 zombies.
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| SWEET SIXTEEN | Reached level 16.
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| TRIGGER HAPPY | Killed 10000 zombies.
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